Develop a musical composition using both the specified melodic theme and the alphabetical pattern naming.
X:1
L:1/8
Q:1/4=120
M:2/4
K:C
['G/A/4B/4 c/ z/ |{a} g(g/>e/)!p! c>e f(fB)B', "d>f (a/g/)(g/e/) G/A/4B/4 c/ c(c'>a) |{a} g(g/>e/)"]  
X:1
L:1/8
Q:1/4=120
M:2/4
K:C
"^Andante."!f! G/A/4B/4 | c/ z/ c"_dim."(c'>a) |{a} g(g/>e/)!p! c>e |{g}"_dim." f(fB)B | 
 ce/>d/!f! d (G/A/4B/4 | c/) z/"_dim." c(c'>a) |{a} g(g/>e/) c>e |{g} f"_dim."(fB)B | (ce/>d/ c) :| 
"^Dolce." e | (g/f/)(f/e/) d>f | (a/g/)(g/e/) e>e | (g/f/)(f/d/) d>f | 
 (a/g/)(g/e/) !fermata!g G/A/4B/4 | c/ z/"_dim." c(c'>a) |{a} g(g/>e/) c>e |{g} f"_dim."(fB)B | 
 (ce/>d/ c) |]  