Create a composition following the defined musical structure in language.
'Ternary', 'Sectional: Verse/Chorus/Bridge'  
X:1
L:1/8
Q:1/8=180
M:2/2
K:D
 Ac | dB B2 cBcA | dcdA FDFA | d2 Bd cBAF | AGFD EFAc |"^5" dcBd cBcA | dcdA GFEF | D2 FE DFAF | 
 GABc dcBc ||"^9" dcde fefg | a2 ab agfe | dcde fegf | efed cABc |"^13" d2 de fefg | a2 ab agfe | 
 dB B2 cBcA | dAFD GABc ||"^17" defe dcdA | BdAF GABc | d2 fe defg | agab agfe |"^21" defe dcdA | 
 BdAF GFEF | D2 FE DFAF | GABc d4 |]  