Utilize the alphabetic system of the specified musical pattern and the supplied melodic theme to create a piece of music.
X:1
L:1/16
Q:1/4=120
M:4/4
K:F
['F4 A4 c4 A4 f4 c4 a4']  
X:1
L:1/16
Q:1/4=120
M:4/4
K:F
 F4 A4 c4 A4 | f4 c4 a4 f4 | A2B2c2A2 F2G2A2F2 | B2c2d2B2 G2A2B2G2 | g2a2g2f2 e2d2e2c2 | 
 fefc dcdB BABG AcAF | agfe defd gfed cdec | f2F2A2c2 f8 |]  