Aagård is a graduate singing teacher from the Jazz program at Trondheim Musikkonsevatorium (1997–2002)[2] She has also been active in the art scene, first in her own cabaret, Julie, heilt ålein (1998),[1] later in Lady Arbuthnott at Sunndalsøra, Mack & Mabel at "Hedmark Teater" and Havet legg aldri stilt (Norveg).

Her debut solo album Det Klaraste Lyset, produced by Åge Aleksandersen, and premiered at the World Ski Championships 1997 in Trondheim.

In 2002 she performed the songs "Follow Your Heart", "It's What's Inside That Counts", "The World is Looking Up to You" and "Put It Together" in the Norwegian version of Disney's Cinderella II: Dreams Come True.

For a few years, Aagård has toured with the Trondheim Voices, and in 2009 she released the solo album Stumpin' Feet,[3] nominated for Spellemannprisen 2009 in the category Female artist.

The debut performance with her own band Julie Dahle Aagård Orchestra was at Jazzfest, the Trondheim Jazz Festival in 2009.