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
Q:1/4=120
M:4/4
K:G
['with G c2 (Ted){c} B2 (AG) (cB)', 'z G (B3 d) (e2 =f2) (e3', 'A{BA}G (cB) A{BA}G{F} E2 (G>A) (B d3)']  
X:1
L:1/8
Q:1/4=120
M:4/4
K:G
"^Slow with expression." G | c2 (Ted){c} B2 (AG) | (cB) (TAG){F} E2 (G>A) | (B d3) (D3 E) | 
 (GA/B/)({B} TA>G) G2 z :| G | (B3 d) (e2 =f2) | (e3 d) (cB) (TAG) |"^>" B2"^>" d2"^>" e2"^>" f2 | 
"^>" g3 B{B} A2 z || f |"^>" g2 e{fe}d B2 A{BA}G | (cB) A{BA}G{F} E2 (G>A) | (B d3) (D3 E) | 
 (GA/B/)({B} TA>G) G2 z |]  