Utilize the alphabetic system of the specified musical pattern and the supplied melodic theme to create a piece of music.
X:1
L:1/8
M:4/4
K:C
['(G>A) (.G.F)']  
X:1
L:1/8
M:4/4
K:C
[M:2/4][K:Eb]S af(dPe)e[Q:1/4=40] (B/A/) | (G>A) (GE) | (C>E) EF | GA{G} (F>E) | E3 (E/F/) | 
 (G>A) (.G.F) | (Gc) (cd) | (ef) (d>c) | c3 E/F/ | (G>A) (.G.F) | (Gc)(.c.d) | e>g f/e/d/e/ | 
 c>d (ec) | (B>A) (G/F/)(E/D/) | (C>D) EF | (G3/2{B}A/) (G/F/)(E/D/) | E6 |]  