The lyrics had better not be consistent throughout.
Rhythm first understands the definition of rhythm, rhythm and tempo.
There are many rhythms in good lyrics.
Give a simple example.
xx xx xx xx|
xx xx xx xx|
Then the rhythm of the first sentence and the second sentence is the same.
We should repeat the classical rhythm in music.
But if you keep repeating a certain rhythm, people's hearing will be tired.
The third sentence can be written as
|x xxxx x xx|
When the speed is constant, the rhythm changes.