Construct a musical work following the provided guidelines and thematic elements.
X:1
L:1/8
M:4/4
K:F
['', 'AFFG AFFG AF (A/B/c/B/) AFFB AFfd cAGF', 'A2 cd cAAB'  
X:1
L:1/8
M:4/4
K:F
 B || AFFG AFFG | AF (A/B/c/B/) AFFB | AFfd cAGF | EFGF ECCB | AFFG AFFG | AF (A/B/c/B/) AFFB | 
 AFfd cAGF | EFGF ECC || B | A2 cd cAAB | c>dcf cAGF | A2 cd cAAB | EFGF ECCB | A2 cd cAAB | 
 cAdB cAAB | cAfd cAaf | e2 (e/f/g/f/) eccB ||  