His goal is to include many kinds of music from current pop songs to classic rock to show tunes from Broadway musicals.

VOA: special.2010.01.08

His popularity swelled after increasing his repertoire to include tunes by Henry Mancini and Italian folk songs.

NPR: Profile: Luciano Pavarotti

So the lessons might include being a little clearer and more helpful, and open the flood gates to tunes.

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And now with the definition of classic rock defined to include the 90s (I know, I know), there are actually some good tunes on the list.

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