Develop a musical composition using both the specified melodic theme and the alphabetical pattern naming.
X:1
L:1/16
M:2/4
K:D
['b2)a(f a2)ag', '[Af]2ef g2fa fdfd']  
X:1
L:1/16
M:2/4
K:D
 (f2 | a2)a(g b2)a(f | a2)ag (f>ef>g) | a2ag b2af | a2ag f2 z2 | a2a(g b2)a(f | a2)ag f>ef>g | 
 a2ag b2af |1 agef d2 :|2 agef d2 z2 |: [Af]2ef g2fa | fdfd c2Ac | [Af]2ef g2fa | fdfd c2Ac | 
 [Af]2ef g2fa | fdfd c4 | !snap!A2 z2 z4 | [Af]2ef g2fa | fdfd [ce]2Ac | [Af]2ef g2fa | 
 fdfd [ce]2Ac | [Af]2ef g2fa | fdfd c4 | A4 z4 :|  