Create a musical composition that adheres to the provided structure and theme.
X:1
L:1/8
M:4/4
K:C
['[EA]3 cBA', 'aga fga'  
X:1
L:1/8
M:4/4
K:C
[M:6/8][K:A] .abc E | [EA]3 cBA | ecA aec | [EA]3 cBA | BGE dBG | [EA]3 cBA | ecA aec | fga ecA | 
 dBG A2 :: e | aga fga | gba gfe | aga fga | bag a2 (3e/f/g/ | agf edc | fed cBA | fga ecA | 
 dBG A2 :|  