Develop a musical piece that combines the given theme and letter-structured outline.
X:1
L:1/8
M:4/4
K:D
['AD (3FED', 'AD (3FED', 'GBec deed AFFB AFBF AFFB AddB ADFA']  
X:1
L:1/8
M:4/4
K:D
 D2 ED AD (3FED | A3 d de f2 | D3 F ADFA | ABAF GFEF | DEED AD (3FED | A2 dc Bcde | effe dcBA | 
 ABAF GFEF || D2 ED AD (3FED | GAAd de f2 | d3 B BAFA | ABAF GFEF | DEED AD (3FED | A2 dc Bcde | 
 effe dcBA | ABAF GBec |: deed AFFB | AFBF AFFB | AddB ADFA | AGAB GABc | dfed B2 dB | BAFB ABde | 
 effe dcBA |1 ABAF GBec :|2 ABAF GFEF ||  