Create a composition by utilizing the given alphabet-based musical pattern and the provided melodic theme.
X:1
L:1/8
M:3/4
K:Eb
['c2 (BG){G} (F>E)', '(G E2) (B,E>F) G2']  
X:1
L:1/8
M:3/4
K:Eb
"^Andante Affetuoso" EEE | [Ge]3 (d{d}cB) | (A G2) (eed) | c2 (BG){G} (F>E) | E3 EEE | e3 d{d}c | 
 A G2 (eed) |{d} c2 (BG){G} (F>E) | E3 || (Bc>B) | B2 (Ge) (c>B) | (G E2) (B,E>F) | 
 G2 (E/F/G) (F>E) | E3 (Bc>B) | B2 (Ge){d} c>B | (G E2) (B,E>F) | G2 (3EFG{G} (F>E) | E3 ||  