Compose tunes based on the given letter-based musical structure and the supplied motif.
X:1
L:1/8
Q:1/2=96
M:4/4
K:C
['C |[K:C] edS MAB c2 (BA) e3', 'AB c2 (cd) e2 (dc) efgf e3']  
X:1
L:1/8
Q:1/2=96
M:4/4
K:C
 C |[K:C] edS MAB | c2 (BA) e3 a | gede c2 (ef) | gega gedc | B2 d4 AB | cBcd efge | gfda ^g3 e | 
 fedc dBGe | c2 A4 :: AB | c2 (cd) e2 (dc) | efgf e3 c | (dB)(dB) (dB)(ge) | dcBA B2 (AG) | 
 AGAB cAdB | ecge a3 e | fedc dBae | c2 (BA) A2 :|  