Compose tunes based on the given letter-based musical structure and the supplied motif.
X:1
L:1/8
Q:3/8=80
M:6/8
K:G
['G3 TA3', 'd2 e dBG']  
X:1
L:1/8
Q:3/8=80
M:6/8
K:G
"^Slow" D | G3 TA3 | B>cB TAGA | B>AG GED | D>EG A>cB/A/ | G3 TA3 | BcB TAGA | BAG GED | DEG G2 :| 
 B/c/ | d2 e dBG | d2 e dBG | dBG dBG | e>dB A>cB/A/ | G3 TA3 | B>cB TAGA | B>AG GED | DEG G2 :|  