Develop a musical piece incorporating the designated alphabet-based pattern and the supplied melodic theme.
X:1
L:1/8
M:3/4
K:F
['d2 c2', 'e4 f>e d2 c2 c>A F3 F']  
X:1
L:1/8
M:3/4
K:F
 A>B |"F" d2 c2 c>A | F4 E>F |"Bb" D2 F2 D2 |"F" C4 D>E |"Dm" F2 E2 F2 | d2 c2 A2 |"G7" G3 D EF | 
"C7" G4 || A>B |"F" d2 c2 c>A |"F" F3 F E>F |"Bb" D2 F2 B2 |"^G7/b" d4 f>d |"^F/c" c3 c A>F | 
"C7" G2 D2 E2 |"F" F4- F>G | F4 |] A>c |"Bb" d3 c d>e |"Bb" f2 e2 d2 |"Am" e2 c3 A |"Am" c4 A>c | 
"Bb" d3 c d>e |"^G7/b" f2 e2 d2 |"C" e4 e2 |"C7" e4 || f>e |"Bb" d2 c2 c>A |"F" F3 F E>F | 
"Bb" D2 F2 B2 |"^G/b" d3 f e>d |"F" c3 c A>F |"C7" G2 D2 E2 |"F" F4- F>G | F4 |]  