Utilizing the provided musical theme and letter-based structure, compose a piece of music.
X:1
L:1/8
M:4/4
K:C
['def ddB AFA AFA', 'BFF ADD FEF AFD']  
X:1
L:1/8
M:4/4
K:C
[M:6/8][K:D]S ecd!p! a ed e f"^Humors of Glendart"[Q:1/8=160] .A | def ddB | AFA AFA | def ddA | 
 Bee edB | def ddB | AFA AFA | gfe fdB | AFE EF :| A | BFF ADD | FEF AFD | BFF ADA | AFD EFA | 
 BFF ADD | FEF AFD | gfe fdB | AFE EF :|  