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
['AFFF AFdB ADFA', 'fdef d3 e f2 af eAAA eAcA', 'fedB AFFF AFdB ADFA', 'afef d3 e f2 af eAAA eAcA', 'fedB AFFF AFdB ADFA', 'afef d3 e f2 af eAAA eAcA']  
X:1
L:1/8
M:4/4
K:D
 dB | AFFF AFdB | ADFA G3 B | AFFF ABdf | efge fedB | AFFF AFdB | ADFA GABd | AFFF ABdf | 
 efge fdef || d3 e f2 af | eAAA eAcA | dAde faaf | gfeg fdef | dcde fbaf | eAAA eAce | f4 g2 fg | 
 abag fedB || AFFF AFdB | ADFA G3 B | AFFF ABdf | efge fedB | AFFF AFdB | ADFA GABd | AFFF ABdf | 
 efgb afef || d3 e f2 af | eAAA eAcA | dAde faaf | gfeg fdef | dcde fbaf | eAAA eAce | 
 ff/f/ff g2 fg | abag fedB || AFFF AFdB | ADFA GABd | AFFF ABdf | efge fedB | AFFF AFdB | 
 ADFA G3 B | AFFF ABdf | efgb afef || d3 e f2 af | eAAA eAcA | dAde faaf | gfeg fdef | dcde faaf | 
 eAAA eAce | f4 g2 fg | abag fedB | A4 ||  