An eight bar a section.
Aaba for mat.
Examining the aaba form.
A second eight bar a section which may have.
The aaba format was the predominant songwriting format in popular music in the first half of the 20th century.
The second bridge can have lyrics or purely instrumental in nature.
There are many aaba songs that don t use the 32 bar 8 8 8 8 format.
Sometimes a songwriter may feel the need to lengthen the aaba song form by adding another bridge or adding an additional a section.
In the aaba form the a sections are the versesections and the b section is a bridge.
Songs in the aaba format consist of four sections each eight bars long.
Send in the clowns has a 6 6 9 8 format.
This format can be illustrated as a a b a b a.
The a section is the main section of the song the verse and it repeats the most often.
In other forms b represents whatever section comes second in the song.
The title is usually placed either in the first or the last line of each verse and is in the same place each time it comes around.
Sometimes the songwriter lengthens the aaba song form by adding another bridge and a last a section resulting in an aababa format.
The aaa song structure is not used much in popular music but many children songs hymns and folk songs bear its signature including kumbaya and mary had a little lamb.
Also like the aaba format melody variations and key changes are required to keep songs with this structure from becoming monotonous.
There are many aaba songs that do not follow the 8 8 8 8 format for example the song send in the clowns has a 6 6 9 8 format.