Compose a musical piece using the designated musical pattern's alphabetic representation and the assigned melodic theme.
X:1
L:1/8
M:3/4
K:Amin
['g2 |{fg} fe', 'g2 |{fg} fe', 'c2 BA']  
X:1
L:1/8
M:3/4
K:Amin
 A^G/A/ (3B/c/B/A/B/ c>B | Ac ec/e/ a2 | [eE]2 [EA,]2 c>c- | (3c/d/c/B/A/ B3 A- | Ac/B/ AB/d/ c>B | 
{cd} ce/g/{^fg} ^f>e d>c |{Bc} B>A ^G>A{Bc} B^G |1 A2 A<c E2 :|2 A2 A3 A- ||[K:Emin] A>c e2 f2 |: 
{a} g2 (3g/a/g/f g2 |{fg} fe e<b g2 |{fg} fe d2{fg} fd | e2 eg [BF]2- | [BF]2 e2 f2 | 
{a} g2 (3g/a/g/f g2 |{fg} fe e<b g2 |{fg} fe d>e{fg} fd |1 e2 e2 [BF]2 | [BF]2 e2 f2 :|2 
 e2 e3 e- |:[K:Amin] e^f/^g/ a^f =g>e | de/^f/ ge c2 | BA A2 c2 | BA B3 A- | Ac/B/ AB/d/ c>B | 
{cd} ce/g/{^fg} ^f>e d>c |{Bc} B>A ^G>A{Bc} B>^G |1 ^G<A A3 (e :|2 ^G<)A A4 ||  