Craft a musical piece that abides by the prescribed structural guidelines and the given theme.
X:1
L:1/8
M:6/8
K:A
['EE/E/E EFA c2 a fec', 'c2 a'  
X:1
L:1/8
M:6/8
K:A
|: EE/E/E EFA | c2 a fec | f3 f2 e | fag fec | EE/E/E EFA | c2 a fec | faf fec | BB/B/B cAF :: 
 A2 a a2 e | fec BAB | c2 a aga | fba gfe | c2 a a2 e | fec BAB | c2 a fec | BB/B/B cAF :|  