Compose tunes based on the given letter-based musical structure and the supplied motif.
X:1
L:1/8
M:4/4
K:Amin
['E2 cB A2 A2 ^GA BA GF']  
X:1
L:1/8
M:4/4
K:Amin
"Am" E2 cB A2 A2 |"E7" ^GA BA GF E2 | ^GG G2"Am" AG Ac |"E7" B4 e4 |"Am" E2 cB A2 A2 | 
"E7" ^GA BA GF E2 |"Dm" D2 A2 ^G2 F{EF}D |"E7" E6 z2 |"C" cd e2 e2 e2 |"G7" dc Bc"E7" de d2 | 
"Am" cB AB ce dc |"E7" B6 z2 |"Dm" B2 d2 d2 d2 |"E7" df ed"Am" cB AE | c2 BA"E7" B2 A^G | 
"Am" A6 z2 |]  