Construct tunes adhering to the given musical structure.
'Ternary', 'Sectional: Verse/Chorus/Bridge'  
X:1
L:1/8
M:2/2
K:D
 (dB) | AD (3(FED) AD (3(FED) | ADFD A2 (GF) | EFGA BE({F} (3EDE) | defd B2 (AB) || defd efdB | 
 AFDF A2 (Bc) | dBcA BGAF | EFGA B2 | (de) | f>d({e} (3dcd) fgag | fddf a2 (gf) | efga beef | 
 degd B2 (AB) || defd efdB | AFDF A2 (Bc) | dBcA BGAF | EFGA B2 |]  