Assemble a musical composition that combines the featured motif and conforms to the defined alphabetical form.
X:1
L:1/8
M:4/4
K:Bb
['f<(d d>)B c>de>g f>(d d>)f g2 (gb)', 'B>F G/F/E/D/']  
X:1
L:1/8
M:4/4
K:Bb
 b | f<(d d>)B c>de>g | f>(d d>)f g2 (gb) | f<(d d>)c B>cdB | Gc B/A/G/F/ B2 Bb | 
 f<(d d>)B c>de>g | f>(d d>)f g2 (gb) | f<(d d>)c B>cdB | Gc B/A/G/F/ B2 Bb || d | 
 B>F G/F/E/D/ F>GBd | f<d B>d c2 cd/c/ | B>F G/F/E/D/ B>c d<b | f<d c>d B2 Bd/c/ | 
 B>F G/F/E/D/ F>GB>d | f<dBd c2 (ce) | (3def (3gab (3gfe (3dcB | G>c A/B/c/A/ B2 B ||  