Compose a piece of music using the specified alphabetical notation system and the provided theme.
X:1
L:1/16
Q:1/8=140
M:2/4
K:C#min
['c2c2G2G2 c2 c4 G2 c2c2^B2d2', '=B4 A2A2F2F2 G2 G4 E2 F2F2E2D2', 'c3B/A/ G2AB', 'F3E/D/ C2DE']  
X:1
L:1/16
Q:1/8=140
M:2/4
K:C#min
 c2c2G2G2 | c2 c4 G2 | c2c2^B2d2 | c4 =B4 |: A2A2F2F2 | G2 G4 E2 | F2F2E2D2 | C4 C4 :| 
[K:C]"^Variation" c3B/A/ G2AB | c3B/A/ G2AB | c3B/A/ G2AB | c4{BA} G4 |: F3E/D/ C2DE | 
 F3E/D/ C2DE | F2_A2G2F2 | c4 c4 :|  