Peter Nero, a Grammy-winning pianist who interpreted pop songs through classical and jazz forms and served as the Philly Pops’ conductor for more than three decades, has died. Nero was 89.

A 1963 album, “Hail the Conquering Nero,” peaked at No. 5 on the Billboard pop album chart. It included versions of “My Bonnie Lies Over the Ocean” and “Mack the Knife.” ...

A 1963 album, "Hail the Conquering Nero," peaked at No. 5 on the Billboard pop album chart. It included versions of "My Bonnie Lies Over the Ocean" and "Mack the Knife." ...

Peter Nero, a Grammy-winning pianist who interpreted pop songs through classical and jazz forms and served as the Philly Pops’ conductor for more than three decades, has died.