Cover
FT029s  59
FT030s  29 31 51
FT030s2 15
FT035s   4  5  7  8 11 16 24 25 26 35 39 49 54 57 58 62
FT036b1  6 33 45
FT036b3  9 13 28 34 50 67
MCK      1  2  3 10 12 17 18 20 21 22 23 27 30 32 37 38 40 41 44 46 47 48 52 53 55 56 61 63 64 65 66
IT2NSF  14 36
S3M2NSF 19 60
NTRQ    42
HACK    43 (Castlevania 2 (2A03))

Original
FT030s  16 19 22 23 28 36 39 49 54 57 64 67
FT035s   2  9 12 13 14 25 27 30 32 35 45 50 51 55 58 65 69 70 72
FT036b1  8 10 59 62
FT036b3  7 18 26 33 37 42
MCK      5 11 17 20 41 44 56 66
IT2NSF   4  6 24 29 31 34 38 43 60 61
S3M2NSF 15 21 40 47 48 52 71 73
Super    1 46 68
HACK     3 (Contra)
???     53 63

        Engine                          Author          Cov / Orig
FT029s  FamiTracker 0.2.9 stable        jsr               1 +  0 =   1
FT030s  FamiTracker 0.3.0 stable        jsr               3 + 12 =  15
FT030s2 FamiTracker 0.3.0 (fixed arps)  jsr               1 +  0 =   1
FT035s  FamiTracker 0.3.5               jsr              16 + 19 =  35
FT036b1 FamiTracker 0.3.6 beta 1        jsr               3 +  4 =   7
FT036b3 FamiTracker 0.3.6 beta 3        jsr               6 +  6 =  12
MCK     MCK/PMCK/PPMCK                  various          31 +  8 =  39
IT2NSF  IT2NSF                          mukunda           2 + 10 =  12
S3M2NSF S3M2NSF                         mukunda           2 +  8 =  10
Super   SuperNSF                        mukunda           0 +  3 =   3
NTRQ    NTRQ                            Neil Baldwin      1 +  0 =   1
HACK    NES / NSF hacks                 ---               1 +  1 =   2
???     (Unknown)                       ---               0 +  2 =   2
        Total                                            67 + 73 = 140