Hmm, I’m going to invent the A.I. piano!
It can play or make the music!
And also It can teach us how to piano!
I need it!!

“If any one of you is lacking in wisdom, let him keep asking God.​“ —James 1:5

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Hmm, I’m going to invent the A.I. piano!
It can play or make music!
And it can also teach us how to play the piano!
I need it!!

= "Make music" is the standard expression.
= "Piano" is a noun (an instrument), not a verb. After "how to," you need a verb.
= "It" should not be capitalized in the middle of a sentence.
= The adverb "also" is more naturally placed after the subject.
= This is amazing!