Poco a Poco – little by little

(Pronounced poh-kah ah poh-kah)

We can remember what poco is see the link.

Poko means little.

So we just have to learn that 

a = by.

A is for apple and you should buy (by) one every day to keep healthy.

Therefore, poco a poco means little by little.

Examples of poco a poco in a sentence

As each instrument is introduced to the piece, the sound builds poco a poco until it becomes fully orchestral.

The song slows down poco a poco rather than suddenly changing tempo, then builds back up in the same way, little by little.

Her voice fades poco a poco towards the end of the recording, trailing off into nothingness.