“I wanted to apologize to all the people that were there,” Quintanilla said Sunday.

“I want to apologize for my words, my actions, what I said.”

“Many things wrong with the event…But people focused on me???”

A.B. Quintanilla

A.B. Quintanilla.John Parra/Getty

he said in an email.

During his Tejano Explosion rant, Quintanilla repeatedly antagonized the audience, which puzzled concertgoers and online viewers.

Y’all can boo me all y’all want.

Selena

Selena.Vinnie Zuffante/Getty

I don’t care, that doesn’t affect me!

Boo all y’all want.

Boo yourselves for not participating in the show."

I became bipolar, I became OCD, ADD, PSTD.

I’m on the spectrum, basically, for people that understand that.

Basically, I suffer.

I’m bipolar, basically."

Vinnie Zuffante/Getty

Quintanilla went on to explain how his lack of medication led to his outburst.

I had an episode.

And I hope that you might find it in your heart to hey forgive me."

The musician also said his cancer biopsy yielded negative results.

“Im just happy that I don’t have cancer,” he said.

Trust me, that’s not me."

He added, “I’l be okay, you know what I’m saying?

I’ll balance out again, taking my meds again, so I’m okay.”

[This article has been updated with a statement from Quintanilla.]