Develop a musical piece using the given theme and incorporating the letter-based structure provided.
X:1
L:1/8
M:6/8
K:C
['c3/2 B/ c A G E', 'c3/2 B/']  
X:1
L:1/8
M:6/8
K:C
"^Andante" G |!p! c>Bc!>(! (A!>)!G) E | c>Bc!>(! (A!>)!G) E | (F>GA) (G<c d) |!>(! e>d!>)!c B<d g | 
"_cres" f>ed e<g G |!pp! F>ED E<G E |"_cres" F>GA G(g/f/e/d/) | (dc)B c2 || G | c3/2 B/ c A G E | 
 c3/2 B/ c A G E | F3/2 G/ A (G<c) d/ B/ | e3/2 d/ c (B<d) G | c3/2 B/ c A G E | c3/2 B/ c A G E | 
 F3/2 G/ A (G<c) d/>c/ | TB3/2 A/ B c2 G | A3/2 F/ (c/A/) G/ E3/2 G | 
 A3/2 F/ c/A/ G/ E E ^G/ A3/2 B/ c E/ e3/2 d | c/ TA3/2 B !fermata!A2 =G/f/ | e3/2 d/ c c3/2 B/ A | 
 G c c (B<!fermata!d) G{!fermata!gf} | e3/2 d/ c{Bcd} c3/2 B/ A | G3/2 A/ !fermata!TB{ABed} c2 z ||  