Construct a musical composition following the designated musical form and incorporating the given motif.
X:1
L:1/8
M:3/8
K:G
['B2 B c B', 'G A B'  
X:1
L:1/8
M:3/8
K:G
!p! B2 B | c B A | B2 G | B2 B | c B A | d3 :| G A B | A2 G/ F/ | E D2 | G A B | c B A | G3 |]  