text: Dulfer performed session work with Eurythmics guitarist and producer Dave Stewart, duetting with him on the worldwide hit single "Lily Was Here" and contributing to the soundtrack of the same name. She was a guest musician for Pink Floyd during the band's performance at Knebworth in 1990, from which several tracks were released on a multi-artist live album and video, Live at Knebworth '90. The Knebworth show has since been released as part of the Pink Floyd box set The Later Years 1987–2019 on CD, DVD, and BD.
  Dulfer was also the featured saxophonist on Van Morrison's A Night in San Francisco, an album in 1993, and performed with Alan Parsons and his band at the World Liberty Concert in 1995.
  Dulfer collaborated with her father Hans Dulfer on the duet album Dulfer Dulfer in 2001. She joined Prince's band in 2004 for his Musicology Live 2004ever tour.
  In 2007, she released her ninth studio album Candy Store. The album reached a No. 2 position in Billboard's Top Contemporary Jazz charts. Her songs "Candy Store" and "L.A. Citylights" reached the No. 1 position in Smooth Jazz National Airplay charts in the United States.
  Dulfer is mostly a self-taught musician except for some training in a concert band and a few months of music lessons.