Compose a piece of music that follows both the given musical theme and the letter-based structure provided.
X:1
L:1/16
M:3/4
K:Bb
['F8 GF =EF', 'F2>G2 F2f2', 'FF GG FF ff']  
X:1
L:1/16
M:3/4
K:Bb
"^A""_sehr langsam, aber jubelnd" F8 GF =EF | (e6 e) dc2F2 | E4 D2 C4 C2 | C12 | F8 GF =EF | 
 (d6 d) cB2F2 | D4 C2 B,4 B,2 | B,12 | F8 GF =EF | c6 B2 A2B2 | c4 F4 f4 | d6 c2 B2c2 | 
 !breath!d12 | F8 GF =EF | (e6 e) dc2F2 | E4 D2 C4 C2 | !breath!C12 | F8 GF =EF | (d6 d) cB2F2 | 
 D4 C2 B,4 B,2 | B,12 | F8 GF =EF | (B12 | B8) z4 ||[M:3/4]"^B""_langsam" B2 A2 G2 | F4 f6 e2 | 
 d2>c2 d4 c4 | !breath!!fermata!B8 DB, DE | F2>G2 F2f2 d2cB | A2C2 E4 EA, CG | F2>G2 F2f2 e2dc | 
 Bd Bd F3 z DB, DE | F2>G2 F2f2 dF cB | AE FA E4 EA, CG | F2>G2 F2f2 ed cF | (B12 | B4) z4 || 
[M:6/8]"^C" FF | GG FF ff d2>F2 dB | Ac F z Fc E4 FF | GG FF ff e2>F2 dc | Bd F z FB D4 FF | 
 GG FF ff dF dF cB | Ae FA FA E2>f2 ed | c2>f2 e2 F2 d2 c2 | B8 z2 z2 |]  