Compose a piece of music using the specified letter-based musical form and incorporating the assigned motif.
X:1
L:1/8
M:3/4
K:Amin
['f(a{ga)} (3gfg a2', 'de (3fgf']  
X:1
L:1/8
M:3/4
K:Amin
 v[Ad]2 a2 (g{ag)}e | Tf(e (3f)gf e>(^c | d)e f(a{ga)} (3gfg | a2 (3aba a(e | f)g (3aba (g{ag)}e | 
 fe (3fgf e^c | de f(a{ga)} (3gfg | a2 [Ae]4 ::{/^c} de fg e2 | ef de ^ce | de (3fgf ed | 
 ^cz/d/ Bz/c/ Az/c/ | de (3fgf eg | gf de ^cz/e/ | de (3faf ed | (^ce) [AD]4 :|  