diff --git a/doom1-music.cfg b/doom1-music.cfg
index a96b081..827b34b 100644
--- a/doom1-music.cfg
+++ b/doom1-music.cfg
@@ -16,7 +16,6 @@ f546ed823b234fe391653029159de7b67a15dbd4 = doom1-music/d_e1m5.flac
 62c631c2fdaa5ecd9a8d8f369917244f27128810 = doom1-music/d_e1m9.flac
 7702a6449585428e718558d8ecc387ef1a21d948 = doom1-music/d_e2m1.flac
 1cb1810989cbfae2b29ba8d6d0f8f1175de45f03 = doom1-music/d_e2m2.flac
-4a5badc4f10a7d4ed021e5d1cc470c1da728a741 = doom1-music/d_e2m3.flac
 7d740f3c881a22945e472c68754fd9485cb04750 = doom1-music/d_e2m4.flac
 ae9c3dc2f9aeea002327a5204d080ea82505a310 = doom1-music/d_e2m6.flac
 b26aad3caa420e9a2c76586cd59433b092fcba1c = doom1-music/d_e2m7.flac
@@ -24,18 +23,21 @@ b26aad3caa420e9a2c76586cd59433b092fcba1c = doom1-music/d_e2m7.flac
 b2fb439f23c08c8e2577d262e5ed910a6a62c735 = doom1-music/d_e3m1.flac
 b6c07bb249526b864208922d2d9ab655f4aade78 = doom1-music/d_e3m2.flac
 ce3587ee503ffe707b2d8b690396114fdae6b411 = doom1-music/d_e3m3.flac
-36b14bf165b3fdd3958ee83e4929063f051ada2f = doom1-music/d_e3m5.flac
-e77c3d42f2ea87f046074bd4e3ff1e535da1c653 = doom1-music/d_e3m6.flac
-3d85ec9c10b5ea46556899cfba701a556e27ca34 = doom1-music/d_e3m7.flac
 d746ea2aa16b3237422cb18ec66f26e12cb08d40 = doom1-music/d_e3m8.flac
-4d42e2ce1c1ff192500e7a08e72c85fe59741487 = doom1-music/d_e3m9.flac
 3da3b1335560a92912e6d1eb542ba8c65dcb1d2c = doom1-music/d_bunny.flac
 
+# Duplicates that don't have identical hashes:
+4a5badc4f10a7d4ed021e5d1cc470c1da728a741 = doom1-music/d_inter.flac  # E2M3
+36b14bf165b3fdd3958ee83e4929063f051ada2f = doom1-music/d_e1m7.flac   # E3M5
+e77c3d42f2ea87f046074bd4e3ff1e535da1c653 = doom1-music/d_e1m6.flac   # E3M6
+3d85ec9c10b5ea46556899cfba701a556e27ca34 = doom1-music/d_e2m7.flac   # E3M7
+4d42e2ce1c1ff192500e7a08e72c85fe59741487 = doom1-music/d_e1m9.flac   # E3M9
+
 # These tracks are reused in Alien Vendetta, but are MIDs:
 a05e45f67e1b64733fe31867ba759be0b9327a74 = doom1-music/d_e2m1.flac   # MAP02
 8024ae1616ddd97ce33079276458479c9e15ad5f = doom1-music/d_e1m4.flac   # MAP03
 3af8d79ddba49edaf9eba5e04d258d71b19b3782 = doom1-music/d_victor.flac # MAP05
-a55352c96c025b6bd08a6d9112bda72504be89ff = doom1-music/d_e2m3.flac   # MAP07
+a55352c96c025b6bd08a6d9112bda72504be89ff = doom1-music/d_inter.flac  # MAP07
 76d1fc25ab7b1b4a58d6e6203b0bb0c50689ee71 = doom1-music/d_e1m8.flac   # MAP11
 497777f0863eca7cea8763316fe6d56d599b5f84 = doom1-music/d_e1m2.flac   # MAP12
 0228fd87f8762f112fb60c601a7b43ba3b85f97e = doom1-music/d_e2m2.flac   # MAP13