Develop a musical piece that combines the given theme and letter-structured outline.
X:1
L:1/8
Q:1/4=100
M:6/8
K:G
['Gdc BAG cde dBG ecA dBG eag', 'BAG e2 e e3 cAG FED (B/c/)dd']  
X:1
L:1/8
Q:1/4=100
M:6/8
K:G
 Gdc BAG | cde dBG | ecA dBG | eag fed | ecA{G} F3 | dBG FED |"^tr" (E/F/)GE (F/G/)AF | G3 G3 :: 
 gdc BAG | e2 e e3 | cAG FED | (B/c/)dd d3 | gdB ecA | dBG FED | eAd{c} B2 A | G3 G3 :|  