Compose tunes based on the given letter-based musical structure and the supplied motif.
X:1
L:1/8
M:6/8
K:Gmin
['d2 c']  
X:1
L:1/8
M:6/8
K:Gmin
|:"Gm" G2 d"D7" d2 c |"Gm" B3"Cm" c3 |"D7" d2 c B2 A |"Gm" B2 A"D7" G2 ^F |"Gm" G2 d"D7" d2 c | 
"Gm" B3"Cm" c3 |"D7" d2 c B2 A |"Gm" G6 ::"Gm" b2 a"D7" g2 ^f |"Gm" g3 d3 |"Gm" b2 a"D7" g2 ^f | 
"Gm" g3"^(G7)" d2 =f"^I" |"Cm" e2 c"D7" d2 A |"Gm" B2 G B2 c |1"D7" d2 d ^f2 f |"Gm" g3"D7" a3 :|2 
"D7" d2 d B2 A |"Gm" G6 |]  