Compose tunes based on the given letter-based musical structure and the supplied motif.
X:1
L:1/8
M:2/2
K:G
['d dBAG G2 D2 DEDB, D3 D', 'EGGA B2 AG']  
X:1
L:1/8
M:2/2
K:G
 d | dBAG G2 D2 | DEDB, D3 D | DGGF E2 G2 | c>dcB A3 B | cege dB d2 | GBdB AG E2 | e3 d e/f/gGA | 
 cBAG G3 :: d | g2 ga/b/ g3 e | gedB A3 G | EGGA B2 AG | EGGA B2 AG | d3 e dedB | ABcd e3 d | 
 e3 d efgB | cBAG G3 :|  