Compose tunes based on the given letter-based musical structure and the supplied motif.
X:1
L:1/8
M:2/2
K:D
['A2 fedB A2 FA BFAd']  
X:1
L:1/8
M:2/2
K:D
"D" A2 FA"Bm" fedB |"D" A2 FA BFAd |"D" defd"Bm" edBd |"D" FABA"A" E2 FG |"D" A2 FA"Bm" fedB | 
"D" A2 FA BFAd |"F#m" faec"Bm" dcBA |1"D" FABA d2 dB :|2"D" FABA dAFD |:"Bm" B,2 F2"Em" EdcB | 
"D" FDAF"G" BAGE |"Bm" F3 f"Em" edcB |"F#m" ABFD"A" E2 ED |"Bm" B,2 F2"Em" EdcB |"D" FDAD"G" BAGE | 
"Bm" F2 f2"Em" edcB |1"F#m" ABFA"D" dAFD :|2"F#m" FABA"D" d4 |]  