Create a musical composition based on the alphabetic representation of the predetermined pattern and the given melodic theme.
X:1
L:1/8
M:4/4
K:A
['f eAc>A (c/d/e) Tf2 eA{f} ed/c/{c} B2', 'A f/g/ a>eTf>e fg/a/{ga} b2 a/g/f/e/ a>c{c}']  
X:1
L:1/8
M:4/4
K:A
 f | eAc>A (c/d/e) Tf2 | eA{f} ed/c/{c} B2 Bf | eAcA cd/e/ Tf2 | eA cB{B} A2 A :| f/g/ | 
 a>eTf>e fg/a/{ga} b2 | a/g/f/e/ a>c{c} B2 Bg | a>dTf>e (3(fga) (3(gab) | 
 a/g/f/e/ f/g/a/e/ Ta2 ef/g/ | afge fdec | d<bc<a{c} B2 BA | c/d/e Tf2 c/d/e Ta2 | 
 A<Ac>A{B} A2 A |]  