Craft a musical work based on the specified structure and given theme.
X:1
L:1/8
Q:1/4=200
M:4/4
K:F
['', 'F2 F2', "f2 fg afc'f affa"  
X:1
L:1/8
Q:1/4=200
M:4/4
K:F
 c |: cBAG F2 F2 | F2 Ac fcAF | BAG^F G2 G2 | GABc defd :| A2 ce f2 fc | g2 ge afcA | A2 ce fcAF | 
 B2 dc BAGF | A2 ce f2 fc | g2 ge afcA | cAcf dBdf | egce f2 fg | afc'f affa | ecge f2 fg | 
 afc'f affa | ecge f2 fg | afc'f affa | ecbg ecce | fcgc a cbg | fefa f2 f2 |]  