Develop musical compositions in line with the specified format and incorporating the provided musical theme.
X:1
L:1/8
M:3/4
K:Eb
['G2 FE', 'gf ec Bc'  
X:1
L:1/8
M:3/4
K:Eb
 B AB | G2 FE FG | E2 GB cA | G2 FE FG | E2 B2 AB | G2 FE FG | E2 GB cA | G2 FE FG | E3 || BcB | 
 c2 ef gf | e2 ef gf | ec Bc ee | e3 e/f/ gf | ec Bc eB | G2 AB cA | G2 FE FE | E3 ||  