Produce a tune conforming to the designated musical blueprint.
'Binary', 'Sectional: Verse/Chorus'  
X:1
L:1/8
M:4/4
K:D
 af |: e2 A2 cA Bc{c} d2 | e2 cA eAAf | eAcA Bcdc |1 ecaB{AB} A2 af :|2 ecaB A2 A2 ||  