Compose musical pieces based on the predetermined pattern and incorporating the given motif.
X:1
L:1/8
M:4/4
K:D
['', 'dB A2 F2 D2 F2', 'defg a2 f2 e2'  
X:1
L:1/8
M:4/4
K:D
 dB |: A2 F2 D2 F2 | DFAB d2 dB | A2 F2 D2 F2 | EDEF E2 dB | A2 F2 D2 F2 | DFAB d2 de | fedf egfe | 
 dBAF D4 :: defg a2 f2 | e2 f2 g4 | defg a2 f2 | e2 c2 A4 | defg a2 f2 | e2 f2 g4 | fagf egfe | 
 dBAF D4 :|  