Craft a musical piece that integrates the provided melodic theme and the corresponding alphabetical pattern.
X:1
L:1/8
M:4/4
K:F
['z2 cc d2 e2 f2', 'AGFA Accd cAFA B2']  
X:1
L:1/8
M:4/4
K:F
 z2 cc d2 e2 |:[M:4/4]"F" f2 AB AGFA | Accd cAFA |"Bb" B2 GB"F" A2 GA | 
[M:6/4]"C7" GFEF G z cc d2 e2 |[M:4/4]"F" f2 AB AGFA | Accd cAFA |"Bb" B2 GB"F" AFGA |1 
[M:6/4]"C7" GFEG"F" F z cc d2 e2 :|"C7" GFEG"F" F z |:"F" f2 cf Acfc |"C7" g2 eg cgec | 
"C7" g2 eg cgec |"F" a2 fa cfgf |"Dm" a2 g2 fe d2 |"F" c2 Ac FFGA |"Bb" B2 GB"F" A2 FA | 
"C7" GFEG"F" F2 z2 :|  