Compose a musical piece using the designated musical pattern's alphabetic representation and the assigned melodic theme.
X:1
L:1/8
M:2/4
K:C
['B/c/ d4', '(3d/e/^f/ fd ed B d2 (3d/e/^f/ gd', 'B>B AG D G2']  
X:1
L:1/8
M:2/4
K:C
 B/c/ | d4 | c>B GG | Gf dB | c3 B/c/ | d4 | cB Gc | Bd cA | G2 z || (3d/e/^f/ | fd ed | 
 B d2 (3d/e/^f/ | gd eB | d G2 (3d/e/^f/ | fd ed | B d2 (3d/e/^f/ | gd ed | d G2 G/A/ || e | 
 B>B AG | D G2 G/A/ | B>B c/B/A/G/ | d A2 A | B>B AG | D G2 (3d/e/^f/ | gd eB | d z G ||  