Create a musical composition adhering to the provided thematic and alphabetical guidelines.
X:1
L:1/8
M:2/2
K:D
['defe dBAd', 'GBAF D2', 'D2 DE', 'f gece gece a3 g abag |1']  
X:1
L:1/8
M:2/2
K:D
 defe dBAd | BFAF E3 d | defe dBAd |1 BFAF D3 z :|2 BFAF D2 DE |: (3FED AD (3FED AD | 
 (3GFE BE (3GFE BE | FDAD BDAF |1 GBAF D2 DE :|2 GBAF D2 fg |: a3 g a2 af | gece gece | 
 a3 g abag |1 fgef defg :|2 fgef d3 A |:"^\"Variations\"" defe dBAd | BFAF E3 A | defe dBAd |1 
 BFAF D3 z :|2 BFAF D2 DE |: (3FED AD BDAD | (3GFE BE cEBE | (3FED AD (3FED AF |1 GBAF D2 DE :|2 
 GBAF Defg |: a3 g a3 f | gece gece | a3 g abag |1 fgef defg :|2 fgef d3 A ||  