In 2018 Diane was inducted into the BC Entertainment Hall of Fame. She was also nominated for an Ovation Award as Musical Director of the Year.

Diane was the pianist/accompanist for Grammy winner Michael Bublé and has also performed with a variety of artists including: Gabriel Mark Hasselbach, Marian McPartland, Beverley Elliott, Dee Daniels, Jim Byrnes, Blues Boss Kenny Wayne, Gospel great John Boutte, Alfie Zappacosta, Bria Skonberg, Linda Tillery, Amanda Wood and Shari Ulrich. Diane was the principal pianist and vocalist with the Dal Richards Orchestra from 2002 until his passing in 2015. She performed throughout the United States as keyboardist and vocalist with Mac Frampton's Hollywood Hills Orchestra.

Diane recorded and toured in Canada with Juno Award winning singer/songwriter Gary Fjellgaard and appears on Gary's CDs Under Western Skies and The Best of Gary Fjellgaard. Diane's work with Fjellgaard earned her consecutive nominations for BCCMA's Keyboardist of the Year.

Theatre credits include her work as musical director of Bittergirl: The Musical for the Charlottetown Festival (2015) Edmonton's Citadel Theatre (2016) and for the Arts Club Theatre (2017). Other Arts Club shows include Tapestry: A Tribute to Carole King also starring Denzal Sinclaire and Shari Ulrich and All Grown Up.

Diane Lines received her musical education at the Banff School of Fine Arts, the Humber School of Creative and Performing Arts in Toronto, and at Cleo Laine and John Dankworth's Wavendon Music Program in England.

" Her playing is spectacular… Whether you are alone or with someone else, you should be dancing by the time this song is a few bars old. I know I was!"
-Joe Montague, Riveting Riffs Magazine

"Virtuoso keyboardist Diane Lines is a veritable wall of sound"
-Kathleen Oliver, The Georgia Straight

"Diane Lines is a dynamic performer, fantastic pianist, has a great voice and really connects with the audience. She gave two sold out performances and had the audience on their feet. Her energy and sense of fun made people feel like they were at a great musical party with a personal friend."
-Peter Van Deursen, President, Pender Harbour Blues Society

"Diane Lines′ talents as a pianist and vocalist are outstanding and her boundless energy and joy of performing make her a favourite of audiences everywhere"
-CISL Radio