Compose a piece of music using the specified alphabetical notation system and the provided theme.
X:1
L:1/16
M:2/4
K:C
['gege .a2.a2 gege .c2c2 .f2.f2', 'bdgb adfa', 'c4 gege .a2.a2 gege .c2c2 .f2.f2 B2AB', 'egfd cfcA F2A2 cdef gabe .f2.a2f2 z2', '.a2.a2 gege .c2c2 .f2.f2 B2AB |1 .c2.e2c2']  
X:1
L:1/16
M:2/4
K:C
 gege .a2.a2 | gege .c2c2 | .f2.f2 B2>B2 | .e2.e2 c4 | gege .a2.a2 | gege .c2c2 | .f2.f2 B2AB |1 
 .c2.e2c2 z2 :|2 .c2.e2c2 |:[K:G] d2 | d4 efga | b4 bdgb | adfa .d'2d'2 | bdgb .d'2d'2 | d4 efga | 
 b4 bdgb | adfa d'c'ba |"^fine" .g2.b2g2 :| z2 |[K:C] gege .a2.a2 | gege .c2c2 | .f2.f2 B2>B2 | 
 .e2.e2 c4 | gege .a2.a2 | gege .c2c2 | .f2.f2 B2AB |[K:F] .c2.e2c2"^Trio" |: AB | cagf egfd | 
 cfcA F2A2 | cdef gabc' | .d'2.d'2 c'4 | cagf egfd | cfcA F2A2 | cdef gabe | .f2.a2f2 :| z2 | 
[K:C]"^da capo" gege .a2.a2 | gege .c2c2 | .f2.f2 B2>B2 | .e2.e2 c4 | gege .a2.a2 | gege .c2c2 | 
 .f2.f2 B2AB |1 .c2.e2c2 z2 :|2 .c2.e2c2 ||  