Using the given motif as a foundation, craft a musical piece adhering to the outlined form.
X:1
L:1/8
M:2/2
K:Gmix
['B2 B2 d4', 'ed d2'  
X:1
L:1/8
M:2/2
K:Gmix
 B2 B2 d4 | dccc ed d2 | B2 B2 d4 | dccc B4 :: eeee ed d2 | dccc ed d2 | B2 B2 d4 | dccc B4 :|  