Design a musical composition incorporating the alphabetic expression of the chosen structure and the provided melodic theme.
X:1
L:1/8
Q:1/4=120
M:3/4
K:Eb
['and EF |!p! G4!>(! c!>)!B |!<(! B4!<)!']  
X:1
L:1/8
Q:1/4=120
M:3/4
K:Eb
"^Slow and tenderly." EF |!p! G4!>(! c!>)!B |!<(! B4!<)! G>B |"^>" (c2 B2 G2) | 
 B2 B2"^cres." (cd) |"^>" e4 (dc) |"^>" B2!p! G2 (c>d) |"^>" B2!pp! G2 c>d | B2!mf! G2 EF | 
!<(! G2 B2 (c!<)!d) |"^>" e2 e2 (dc) | (BA) (GF) (EF)"^cres." | G2!f! c2 (Bc) |"^>" e2 d2 c2 | 
"^>" B2 G2!p! (AG) |!<(! F2 E2 (G!<)!B) |!f! c2 e2 |]  