Create a musical composition based on the alphabetic representation of the predetermined pattern and the given melodic theme.
X:1
L:1/8
M:3/4
K:D
['A2 B2', 'fefg f2']  
X:1
L:1/8
M:3/4
K:D
 A2 B2 c | d3 e f2 | A2 B2 c2 |{c} d4 A2 | BABd e2 | e2 Te2{de} f2 | A2 B2 c2 | d6 || gfga g2 | 
 g2 G2 G2 | fefg f2 | f2 A2 A2 | gfga g2 | fefg f2 | edefef |{f} e2 dcBA | a6 | bagfec | d3 e f2 | 
 A2 B2 c2 | d6 :|  