Assemble a piece of music following the alphabetical representation and incorporating the provided motif.
X:1
L:1/8
M:4/4
K:D
['a2 g2 B2 c2 B2 A^G A2', 'cdcB c2 Ag']  
X:1
L:1/8
M:4/4
K:D
 a2 g2 B2 c2 | B2 A^G A2 Af | fggA c2 GB | AddF A2 fb | a2 g2 B2 c2 | B2 A^G A2 df | 
 c2 fa c2 ^e^g | f6 :| g2 gf e2 ed | cdcB c2 Ag | f2 fe d2 dB | ABA^G A2 Aa | gagf efed | 
 cdcB c2 Ag | fdAF GAce | d2 f2 d2 :|  