Build a musical arrangement using the indicated alphabet-based system and the given motif.
X:1
L:1/8
M:4/4
K:D
['DF F2 DEFA df{a}fe dB B2 AF', 'g2 bg af{a}fe']  
X:1
L:1/8
M:4/4
K:D
 A,B, | DF F2 DEFA | df{a}fe dB B2 | AF F2 dF F2 | BFAF EGFE | DF F2 DEFA | df{a}fe dB B2 | 
 AF F2 dFAF | EGFE D2 :| (3ABc | df{a}fe dfaf | g2 bg af{a}fe | dB{d}BA FAde | fdgf e2 de | 
 a{b}af g2 bg | af{a}fe dB B2 | AF F2 dFAF | EGFE D2 :|  