Compose tunes based on the given letter-based musical structure and the supplied motif.
X:1
L:1/8
M:3/2
K:Amin
['E2 A2 A2 E2', 'G2 B2']  
X:1
L:1/8
M:3/2
K:Amin
"Am" ABcA"F" fedc"Dm" dcBA |"G" G2 B2 B2"Em" E2 G2 B2 |"Am" ABcA"F" fedc"Dm" dcBA | 
"Am" E2 A2 A2 E2 C2 A,2 || |"Am" agae"F" fedc"G" BcdB |"C" gfge"Em" edcB"Am" ABcA | 
 agae"F" fedc"G" BcdB |"Am" E2 A2 A2 E2 C2 A,2 || |"Am" ecAc"Dm" fdBd"Am" ecAc | 
"G" G2 B2 B2"Em" E2 G2 B2 |"Am" ecAc"Dm" fdBd"Am" ecAc | E2 A2 A2 E2 C2 A,2 |]  