Develop a musical piece that combines the given theme and letter-structured outline.
X:1
L:1/8
M:3/4
K:C
['GF (EG)', 'ec Bd']  
X:1
L:1/8
M:3/4
K:C
 GF |:"C" (EG) (CE) .G.c | EG ce g2 |"G7" DG Bf ed |"C" ce G2 (3AGF | EG CE Gc | EG ce g2 | 
"G7" DG Bf ed |1"C" c2 z2 GF :|2"C" c2 z e dc |:"G7" Bd GB df |"C" ag g2 ec |"G7" Bd Gg fB | 
"C" cE Gc ec |"G7" Bd GB df |"C" ag g2 ec |"G7" Bd Gg fB |1"C" c2 z e dc :|2"C" c2 z2 z2 |]  