diff --git a/models/Demucs_Models/v3_v4_repo/model_data/model_data.json b/models/Demucs_Models/v3_v4_repo/model_data/model_data.json
new file mode 100644
index 0000000..f7fc93e
--- /dev/null
+++ b/models/Demucs_Models/v3_v4_repo/model_data/model_data.json
@@ -0,0 +1,219 @@
+{
+    "0ddfc0eb5792638ad5dc27850236c246": {
+        "compensate": 1.035,
+        "mdx_dim_f_set": 2048,
+        "mdx_dim_t_set": 8,
+        "mdx_n_fft_scale_set": 6144,
+        "primary_stem": "Vocals"
+    },
+    "26d308f91f3423a67dc69a6d12a8793d": {
+        "compensate": 1.035,
+        "mdx_dim_f_set": 2048,
+        "mdx_dim_t_set": 9,
+        "mdx_n_fft_scale_set": 8192,
+        "primary_stem": "Other"
+    },
+    "2cdd429caac38f0194b133884160f2c6": {
+        "compensate": 1.035,
+        "mdx_dim_f_set": 3072,
+        "mdx_dim_t_set": 8,
+        "mdx_n_fft_scale_set": 7680,
+        "primary_stem": "Instrumental"
+    },
+    "2f5501189a2f6db6349916fabe8c90de": {
+        "compensate": 1.035,
+        "mdx_dim_f_set": 2048,
+        "mdx_dim_t_set": 8,
+        "mdx_n_fft_scale_set": 6144,
+        "primary_stem": "Vocals"
+    },
+    "398580b6d5d973af3120df54cee6759d": {
+        "compensate": 1.75,
+        "mdx_dim_f_set": 3072,
+        "mdx_dim_t_set": 8,
+        "mdx_n_fft_scale_set": 7680,
+        "primary_stem": "Vocals"
+    },
+    "488b3e6f8bd3717d9d7c428476be2d75": {
+        "compensate": 1.035,
+        "mdx_dim_f_set": 3072,
+        "mdx_dim_t_set": 8,
+        "mdx_n_fft_scale_set": 7680,
+        "primary_stem": "Instrumental"
+    },
+    "4910e7827f335048bdac11fa967772f9": {
+        "compensate": 1.035,
+        "mdx_dim_f_set": 2048,
+        "mdx_dim_t_set": 7,
+        "mdx_n_fft_scale_set": 4096,
+        "primary_stem": "Drums"
+    },
+    "53c4baf4d12c3e6c3831bb8f5b532b93": {
+        "compensate": 1.035,
+        "mdx_dim_f_set": 3072,
+        "mdx_dim_t_set": 8,
+        "mdx_n_fft_scale_set": 7680,
+        "primary_stem": "Vocals"
+    },
+    "5d343409ef0df48c7d78cce9f0106781": {
+        "compensate": 1.075,
+        "mdx_dim_f_set": 3072,
+        "mdx_dim_t_set": 8,
+        "mdx_n_fft_scale_set": 7680,
+        "primary_stem": "Vocals"
+    },
+    "5f6483271e1efb9bfb59e4a3e6d4d098": {
+        "compensate": 1.035,
+        "mdx_dim_f_set": 2048,
+        "mdx_dim_t_set": 9,
+        "mdx_n_fft_scale_set": 6144,
+        "primary_stem": "Vocals"
+    },
+    "65ab5919372a128e4167f5e01a8fda85": {
+        "compensate": 1.035,
+        "mdx_dim_f_set": 2048,
+        "mdx_dim_t_set": 8,
+        "mdx_n_fft_scale_set": 8192,
+        "primary_stem": "Other"
+    },
+    "6703e39f36f18aa7855ee1047765621d": {
+        "compensate": 1.035,
+        "mdx_dim_f_set": 2048,
+        "mdx_dim_t_set": 9,
+        "mdx_n_fft_scale_set": 16384,
+        "primary_stem": "Bass"
+    },
+    "6b31de20e84392859a3d09d43f089515": {
+        "compensate": 1.035,
+        "mdx_dim_f_set": 2048,
+        "mdx_dim_t_set": 8,
+        "mdx_n_fft_scale_set": 6144,
+        "primary_stem": "Vocals"
+    },
+    "867595e9de46f6ab699008295df62798": {
+        "compensate": 1.075,
+        "mdx_dim_f_set": 3072,
+        "mdx_dim_t_set": 8,
+        "mdx_n_fft_scale_set": 7680,
+        "primary_stem": "Vocals"
+    },
+    "a3cd63058945e777505c01d2507daf37": {
+        "compensate": 1.035,
+        "mdx_dim_f_set": 2048,
+        "mdx_dim_t_set": 8,
+        "mdx_n_fft_scale_set": 6144,
+        "primary_stem": "Vocals"
+    },
+    "b33d9b3950b6cbf5fe90a32608924700": {
+        "compensate": 1.075,
+        "mdx_dim_f_set": 3072,
+        "mdx_dim_t_set": 8,
+        "mdx_n_fft_scale_set": 7680,
+        "primary_stem": "Vocals"
+    },
+    "c3b29bdce8c4fa17ec609e16220330ab": {
+        "compensate": 1.035,
+        "mdx_dim_f_set": 2048,
+        "mdx_dim_t_set": 8,
+        "mdx_n_fft_scale_set": 16384,
+        "primary_stem": "Bass"
+    },
+    "ceed671467c1f64ebdfac8a2490d0d52": {
+        "compensate": 1.035,
+        "mdx_dim_f_set": 3072,
+        "mdx_dim_t_set": 8,
+        "mdx_n_fft_scale_set": 7680,
+        "primary_stem": "Instrumental"
+    },
+    "d2a1376f310e4f7fa37fb9b5774eb701": {
+        "compensate": 1.035,
+        "mdx_dim_f_set": 3072,
+        "mdx_dim_t_set": 8,
+        "mdx_n_fft_scale_set": 7680,
+        "primary_stem": "Instrumental"
+    },
+    "d7bff498db9324db933d913388cba6be": {
+        "compensate": 1.035,
+        "mdx_dim_f_set": 2048,
+        "mdx_dim_t_set": 8,
+        "mdx_n_fft_scale_set": 6144,
+        "primary_stem": "Vocals"
+    },
+    "d94058f8c7f1fae4164868ae8ae66b20": {
+        "compensate": 1.035,
+        "mdx_dim_f_set": 2048,
+        "mdx_dim_t_set": 8,
+        "mdx_n_fft_scale_set": 6144,
+        "primary_stem": "Vocals"
+    },
+    "dc41ede5961d50f277eb846db17f5319": {
+        "compensate": 1.035,
+        "mdx_dim_f_set": 2048,
+        "mdx_dim_t_set": 9,
+        "mdx_n_fft_scale_set": 4096,
+        "primary_stem": "Drums"
+    },
+    "e5572e58abf111f80d8241d2e44e7fa4": {
+        "compensate": 1.035,
+        "mdx_dim_f_set": 3072,
+        "mdx_dim_t_set": 8,
+        "mdx_n_fft_scale_set": 7680,
+        "primary_stem": "Instrumental"
+    },
+    "e7324c873b1f615c35c1967f912db92a": {
+        "compensate": 1.075,
+        "mdx_dim_f_set": 3072,
+        "mdx_dim_t_set": 8,
+        "mdx_n_fft_scale_set": 7680,
+        "primary_stem": "Vocals"
+    },
+    "1c56ec0224f1d559c42fd6fd2a67b154": {
+        "compensate": 1.035,
+        "mdx_dim_f_set": 2048,
+        "mdx_dim_t_set": 8,
+        "mdx_n_fft_scale_set": 5120,
+        "primary_stem": "Instrumental"
+    },
+    "f2df6d6863d8f435436d8b561594ff49": {
+        "compensate": 1.035,
+        "mdx_dim_f_set": 3072,
+        "mdx_dim_t_set": 8,
+        "mdx_n_fft_scale_set": 7680,
+        "primary_stem": "Instrumental"
+    },
+    "b06327a00d5e5fbc7d96e1781bbdb596": {
+        "compensate": 1.035,
+        "mdx_dim_f_set": 3072,
+        "mdx_dim_t_set": 8,
+        "mdx_n_fft_scale_set": 6144,
+        "primary_stem": "Instrumental"
+    },
+    "94ff780b977d3ca07c7a343dab2e25dd": {
+        "compensate": 1.035,
+        "mdx_dim_f_set": 3072,
+        "mdx_dim_t_set": 8,
+        "mdx_n_fft_scale_set": 6144,
+        "primary_stem": "Instrumental"
+    },
+    "73492b58195c3b52d34590d5474452f6": {
+        "compensate": 1.075,
+        "mdx_dim_f_set": 3072,
+        "mdx_dim_t_set": 8,
+        "mdx_n_fft_scale_set": 7680,
+        "primary_stem": "Vocals"
+    },
+    "1d64a6d2c30f709b8c9b4ce1366d96ee": {
+        "compensate": 1.035,
+        "mdx_dim_f_set": 2048,
+        "mdx_dim_t_set": 8,
+        "mdx_n_fft_scale_set": 5120,
+        "primary_stem": "Instrumental"
+    },
+    "203f2a3955221b64df85a41af87cf8f0": {
+        "compensate": 1.035,
+        "mdx_dim_f_set": 3072,
+        "mdx_dim_t_set": 8,
+        "mdx_n_fft_scale_set": 6144,
+        "primary_stem": "Instrumental"
+    }
+}
\ No newline at end of file
diff --git a/models/Demucs_Models/v3_v4_repo/model_data/model_name_mapper.json b/models/Demucs_Models/v3_v4_repo/model_data/model_name_mapper.json
new file mode 100644
index 0000000..8456ca5
--- /dev/null
+++ b/models/Demucs_Models/v3_v4_repo/model_data/model_name_mapper.json
@@ -0,0 +1,34 @@
+{
+    "tasnet.th": "v1 | Tasnet",
+    "tasnet_extra.th": "v1 | Tasnet_extra",
+    "demucs.th": "v1 | Demucs",
+    "demucs_extra.th": "v1 | Demucs_extra",
+    "light.th": "v1 | Light",
+    "light_extra.th": "v1 | Light_extra",
+    "tasnet.th.gz": "v1 | Tasnet.gz",
+    "tasnet_extra.th.gz": "v1 | Tasnet_extra.gz",
+    "demucs.th.gz": "v1 | Demucs_extra.gz",
+    "light.th.gz": "v1 | Light.gz",
+    "light_extra.th.gz": "v1 | Light_extra.gz",
+    "tasnet-beb46fac.th": "v2 | Tasnet",
+    "tasnet_extra-df3777b2.th": "v2 | Tasnet_extra",
+    "demucs48_hq-28a1282c.th": "v2 | Demucs48_hq",
+    "demucs-e07c671f.th": "v2 | Demucs",
+    "demucs_extra-3646af93.th": "v2 | Demucs_extra",
+    "demucs_unittest-09ebc15f.th": "v2 | Demucs_unittest",
+    "mdx.yaml": "v3 | mdx",
+    "mdx_extra.yaml": "v3 | mdx_extra",
+    "mdx_extra_q.yaml": "v3 | mdx_extra_q",
+    "mdx_q.yaml": "v3 | mdx_q",
+    "repro_mdx_a.yaml": "v3 | repro_mdx_a",
+    "repro_mdx_a_hybrid_only.yaml": "v3 | repro_mdx_a_hybrid",
+    "repro_mdx_a_time_only.yaml": "v3 | repro_mdx_a_time",
+    "UVR_Demucs_Model_1.yaml": "v3 | UVR_Model_1",
+    "UVR_Demucs_Model_2.yaml": "v3 | UVR_Model_2",
+    "UVR_Demucs_Model_Bag.yaml": "v3 | UVR_Model_Bag",
+    "hdemucs_mmi.yaml": "v4 | hdemucs_mmi",
+    "htdemucs.yaml": "v4 | htdemucs",
+    "htdemucs_ft.yaml": "v4 | htdemucs_ft",
+    "htdemucs_6s.yaml": "v4 | htdemucs_6s",
+    "UVR_Demucs_Model_ht.yaml": "v4 | UVR_Model_ht"
+}
\ No newline at end of file