Flavor Flav says it was a thrill to be on "The Masked Singer" ... but, he thinks the show's producers gave him up too early -- and, he had at least one song he really wanted to do.

Flavor Flav remembers ... "Everybody see that Flav had a heart because I kept her around and I gave her another chance," he tells EW. "And that's Flav, you know, I have a big heart.