Construct a musical piece that complies with the specified structure and abides by genre conventions.
'Ternary', 'Sectional: Verse/Chorus/Bridge'  
X:1
L:1/8
Q:1/8=160
M:9/8
K:D
"^A modal" ABA dfd cec | AGA dfd fga | ABA dfd cec | BGG gfe dBG :| aga f/g/af g2 e | aga faf ecA | 
 aga faf g2 d | BGG gfe dBG :|"^final" A6 z3 |]  