Produce music using the specified musical structure depicted in letters along with the provided musical theme.
X:1
L:1/8
M:4/4
K:A
['AGAB A2 (Bd) edBA G2', '(Bd) e^def', 'A2 (Bd) e^def gfge (3(aba) ag e2']  
X:1
L:1/8
M:4/4
K:A
 (GB) | AGAB A2 (Bd) | edBA G2 (Bd) | e^def gfea | edBA G3 B | AGAB A2 (Bd) | edBA G2 (ed) | 
 B2 (AG) gdBd | c2 A2 A2 :| (Bd) | e^def g2 (fe) | a2 a2 g2 (ea) | e^def gfea | edBA G2 (Bd) | 
 e^def gfge | abag e2 (ea) | gedg edBd | c2 AA A2 || (Bd) | e^def gfge | (3(aba) ag e2 (ea) | 
 e^def gf(ea) | edBA G2 (AB) | c2 Bc d2 cd | efge a2 a2 | gfea edBd | c2 A2 A2 |]  