Compose a piece adhering to the given musical structure and theme.
X:1
L:1/8
M:6/8
K:D
['A>FA A>FA', "B2 a aba afa bc'b b2 a"  
X:1
L:1/8
M:6/8
K:D
 A | A>FA A>FA | A>FA A2 d | B>dB B>AB | d>ef"^tr" f2 e | e>fa b/c'/d'b | afe d>ef | f>ba f>ef | 
 d>BB B2 || a | aba afa | bc'b b2 a | afa bag |"^tr" f2 e d2 b | d'ba baf | afe def | fba fef | 
 d>BB B2 ||  