Craft a piece of music that integrates both the suggested theme and letter-based structure.
X:1
L:1/8
Q:1/4=120
M:2/4
K:F
['(A/4B/4c3/2) BA', 'z (F/G/)']  
X:1
L:1/8
Q:1/4=120
M:2/4
K:F
"^Maestoso" A/B/ | (c>d)cB | AFFG | (A/4B/4c3/2) BA | (AG) z F/4G/4 | (A/4B/4c3/2) BA | AG z F/G/ | 
 AcGB | AF (G/A/B/G/) | (AF) z F/G/ | Ac GB | AF (G/A/B/G/) | AF z :: E/F/ | (G>A)GF | 
 .E.C C A/B/ | (c>d)cB | .A.F G (B/c/) | (d_e)dc | BAGF | EF (TD>C) | C2 z2 | (c>d)cB | AFFG | 
 (A/4B/4c3/2) B/A/ |{B} (AG) z (F/G/) | (A/4B/4c3/2) BA | AG z (F/G/) | Ac GB | AF (G/A/B/G/) | 
 (AF) z (F/G/) | Ac GB | AF (G/A/B/G/) | AF z2 :|  