LOS ANGELES --Led Zeppelin did not steal a riff from an obscure 1960s instrumental tune to use for the introduction of its classic rock anthem "Stairway ... white shirts and ties throughout ...

The opening to Led Zeppelin's Stairway to Heaven ... their long hair pulled back and dressed in dark grey suits and white shirts, listened quietly as the first two minutes of the song was played ...

LOS ANGELES (AP) -- Led Zeppelin did not steal a riff from an obscure 1960s instrumental tune to use for the introduction of its classic rock anthem "Stairway ... white shirts and ties throughout ...