Compose tunes based on the given letter-based musical structure and the supplied motif.
X:1
L:1/8
M:4/4
K:Ddor
['', 'DE FdcB AEFA G2 dG BGdG F2', 'f2 ag']  
X:1
L:1/8
M:4/4
K:Ddor
 DE |: FdcB AEFA | G2 dG BGdG | F2 cF Acde | fedc ABcA | d^cde faag | fedc AFDE |1 FEFG AGFG | 
 Add^c d2 DE :|2 FEFG AFDE | FDEC D2 de || f2 agfddf | ec c/=B/c Gceg | f2 ag fdde | fdec Adde | 
 fefg afge | fedc AFDE | FEFG AGFG | Add^c d2 de | f2 ag fddf | ec c/=B/c Gceg | f2 ag fdde | 
 fdec Adde | f/g/f df dfdf | e/f/e ce cece | afge dcAG | FDEC D2 ||  