Develop musical works by building upon the provided musical arrangement.
'Binary', 'Sectional: Verse/Chorus'  
X:1
L:1/8
M:2/2
K:A
 a2 ec a2 ec | fefg agfe | a2 ec a2 ec | faB^d e4 :: ecdf dBcd | cABc BG E2 | a2 ec f2 ed | 
 cABG A4 :|  