Compose a musical piece using the designated musical pattern's alphabetic representation and the assigned melodic theme.
X:1
L:1/8
Q:3/8=70
M:6/8
K:Eb
['B c2', '', 'd2 B', 'd f2 d', 'c d2 c2 A B2 z']  
X:1
L:1/8
Q:3/8=70
M:6/8
K:Eb
 F |"Bb" B2 B c2 B | d2 B def | d2 B c2 B | def d2 F | B2 B c2 B | d2 B def | d2 B c2 =A | B3 z2 :| 
[K:Bb] z |:"Cm" c3 c3 | c3 z3 | cBA G2 A |"Bb" B3 z3 ::[Q:3/8=110]"Bb" def d2 B | c2 B d2 B | 
 def d2 B | c2 A B2 z ::"Bb" Bcd e2 d | f2 d e2 c | d2 B c2 A | B2 z F2 z |"Ab" Bcd e2 d | 
 f2 d e2 c | d2 B"F" c2 A |"Bb" B2 z z3 :|  