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:D
['z A', 'e<d a2 gf f>e eg fdGg fg/f/']  
X:1
L:1/8
M:4/4
K:D
 de | f2 f/e/d/c/ d2 z A | cBAG{G} F2 z A | FAde f2 ed | d4{ef} e2 de | f2 f/e/d/c/ d2 z A | 
 cBAG{G} F2 A2 | FAdf a<f ef | d2 (3def e<d || a2 gf f>e eg | fdGg fg/f/ ef | g3 f f/e/g/f/ ed | 
 (d3 ^d e2 de) | f2 ec d2 A2 | cBAG z F2 A | FAdf c'fef | d2 (3def e<d ||  