Compose a musical piece using the designated musical pattern's alphabetic representation and the assigned melodic theme.
X:1
L:1/8
Q:1/4=90
M:3/4
K:Eb
['GB B3']  
X:1
L:1/8
Q:1/4=90
M:3/4
K:Eb
 G GA |"Eb" G3 F"Bb7" B,F |"Eb" E3 E DE |"Ab" A3 G"F7" F>C |"Bb7" F2 z G GA |"Eb" G3 F"Bb7" B,F | 
"Eb" E3 G FG |"Ab" BA"Eb/Bb" G2-"Bb7" GF |"Eb" E2 z || G GB |"Eb" B3 c GB |"Bb7" B3 B BA | 
 AB d3 c |"Eb" B2 z G GB | B3 c GB |"Bb7" B3 B"Eb7" BE |"Ab" EA"Eb/Bb" G2-"Bb7" GF | 
"Eb" !fermata!E2 z |]  