1.1. ba1-rsi (ba1-rsi.mod)
https://modarchive.org/module.php?348201.2. ba1 (ba1.mod)
https://modarchive.org/module.php?863571st module contains rip notice.
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2.1. chubby-chip-chip (chubby1.mod)
https://modarchive.org/module.php?371322.2. chubby-chip-chip (chubb1-1.mod)
https://modarchive.org/module.php?671012nd module is assigned to the artist, 1st is not.
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3.1. chubby-chip-chip2 (chubby1b.mod)
https://modarchive.org/module.php?371353.2. chubby-chip-chip2 (chubby-chip-chip2.mod)
https://modarchive.org/module.php?1209332nd module is assigned to the artist, 1st is not.
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4.1. sinking2 (sinking2.mod)
https://modarchive.org/module.php?573044.2. sinking ii (sinkingi.mod)
https://modarchive.org/module.php?573052nd module has rearranged patterns, slightly modified patterns 19 and 43, and a notice about third party modification.
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5.1. v42 (V42.MOD)
https://modarchive.org/module.php?589525.2. vortex 42 (vortexx.mod)
https://modarchive.org/module.php?60860------------------------------
6.1. promenade II (promenade_ii.xm)
https://modarchive.org/module.php?1389166.2. promenade II (chromag_-_promenade_ii.xm)
https://modarchive.org/module.php?1606041st module is assigned to the artist, 2nd is not.
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7.1. after-the-rain (aftrain.mod)
https://modarchive.org/module.php?330207.2. after-the-rain (afterthe.mod)
https://modarchive.org/module.php?330187.3. after-the-rain (after-the-rain.mod)
https://modarchive.org/module.php?1224492nd module contains BBS notice.
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8.1. moby.Fury-Desert (f-desert.mod)
https://modarchive.org/module.php?408088.2. fury.desert (fury_desert.mod)
https://modarchive.org/module.php?1887611st module is assigned to the artist, 2nd is not.
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9.1. kaosmodule (kaos.mod)
https://modarchive.org/module.php?474779.2. kaosmodule (kaosmodule.mod)
https://modarchive.org/module.php?66077------------------------------
10.1. chip or not? (chip_or_not.xm)
https://modarchive.org/module.php?13934310.2. chip or not? (kenet-10k_ltp3.xm)
https://modarchive.org/module.php?68059Not sure if this pair of modules can be considered a duplicate, because the 1st module is above 10 kilobytes (11.21 KB), while the 2nd is below 10 kilobytes (9.19 KB), what is stated in the filename of the 2nd module. It seems to me that the 2nd module participated in a compo, while the 1st module is a post-compo edition.
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11.1. Charella - By M¡G / WM (charella.s3m)
https://modarchive.org/module.php?3625111.2. Charella - By M¡G / (charella_-_by_m-g.xm)
https://modarchive.org/module.php?144582As with the previous pair, I am not sure, this time because of the different formats. But at first sight it seems that the 2nd module is an XM conversion of the 1st module, because the title and lines of instrument text in the 2nd module are truncated.
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12.1. poormouth (poormout.mod)
https://modarchive.org/module.php?5590312.2. Poor_Mouth (poor_mou.mod)
https://modarchive.org/module.php?559002nd module is assigned to the artist, 1st is not.
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13.1. mega 91 (mega91.mod)
https://modarchive.org/module.php?5025013.2. razor-1911 (razor.mod)
https://modarchive.org/module.php?5409413.3. razor-1911 (razor191.mod)
https://modarchive.org/module.php?5410413.4. mega mix '88 (megamx88.mod)
https://modarchive.org/module.php?5033513.5. razor-1911 (razor-1911_1.mod)
https://modarchive.org/module.php?7753413.6. mega mix '88 (mega_mix_88.mod)
https://modarchive.org/module.php?1279041st module is different from the other five: four samples are replaced, sample volumes are different, patterns on positions 26 and 27 of the order list are different, pattern 21 has been redacted. But the melody is basically the same.
2nd module has wrong portamento commands in patterns 1 and 2.
3rd module sounds fine, but samples 4, 5 and 6 are slightly different from those in 4th and 6th modules.
4th module sounds fine.
5th module has wrong portamento commands in patterns 1 and 2, plus a pattern on position 26 of the order list is wrong.
6th module sounds fine, but contains rip notice.
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14.1. chip-4mat1 (chip-4mat1.mod)
https://modarchive.org/module.php?7954014.2. chip-4mat1 (chip4mat.mod)
https://modarchive.org/module.php?664591st module is assigned to the artist, 2nd is not.
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15.1. SC2 Umgah Theme (umgah.mod)
https://modarchive.org/module.php?5859415.2. Umgah Theme (umgah_theme.mod)
https://modarchive.org/module.php?1108822nd module is assigned to the artist, 1st is not.
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16.1. sky.iamback (enemies.mod)
https://modarchive.org/module.php?4208616.2. sky.iamback (sky_iamback.mod)
https://modarchive.org/module.php?130623------------------------------
17.1. sky.iambackagain (iamback.mod)
https://modarchive.org/module.php?4459717.2. sky.iambackagain (sky_iambackagain.mod)
https://modarchive.org/module.php?130624------------------------------
18.1. make your move (makemove.mod)
https://modarchive.org/module.php?4920018.2. make your move (make_your_move.mod)
https://modarchive.org/module.php?90693------------------------------
19.1. action-1(s1) (action.mod)
https://modarchive.org/module.php?3286819.2. action-1(s1) (action1.mod)
https://modarchive.org/module.php?3287119.3. action-1(s1) (action-1s1.mod)
https://modarchive.org/module.php?1021883rd module is assigned to the artist, 1st and 2nd are not.
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20.1. song1 (song1_fi.mod)
https://modarchive.org/module.php?5777920.2. song1 (alain_lambin_-_song1.mod)
https://modarchive.org/module.php?1577631st module is a wrong (corrupted) version of the 2nd.
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21.1. jingle bells2 (jingle2.mod)
https://modarchive.org/module.php?4578821.2. jingle bells2 (maktone_-_jingle_bells2.mod)
https://modarchive.org/module.php?1961881st module is already assigned to the artist. Patterns 1 and 2 are different in the 2nd module.