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
['E A<A c>B c>EC>E A<A A>B c<e', 'A<FF f e<c c>e f>ed>c e>ca>c f2']  
X:1
L:1/8
M:4/4
K:A
 E | A<A c>B c>EC>E | A<A A>B c<e e2 | f<ae<a d<ac<a | B>AB>c A<FF :: f | e<c c>e f>ed>c | 
 e>ca>c f2 f>g | a/g/f/e/ f>g a>fe>c | B>AB>c A<FF :|  