In 1999 , Abair joined the Backstreet Boys for their Millennium World Tour .
In 1999 , Abair spent the next year and a half as their saxophonist , keyboardist and percussionist .
In 1999 , Abair joined the Backstreet Boys for their Millennium World Tour , and spent the next year and a half as their saxophonist , keyboardist and percussionist .