Jannicke is educated from the Grieg Academy in Bergen and from Höchschule Luzern in Switzerland. The teachers during her bachelor and master performance was Grethe Tonheim, Tormod Flaten and Thomas Rüedi. She finished her studies with the highest mark in 2015.
In 2006 Jannicke joined the leading brass band Eikanger-Bjørsvik, where she played for 10 years. With Eikanger-Bjørsvik she got to work with a number of great conductors such as David King, Nick Childs, Bramwell Tovey and Philppe Bach. During her time in the band they got the first prize in the Norwegian National Championship a total of 7 times.
Jannicke has participated in national and international soloist competitions. In 2008 she got the 2nd prize in the Norwegian National Competition for Wind, Brass & Percussion. In 2016 she advanced to the final of ITEC, and in 2017 she got the first prize in the Regional Competition for Wind, Brass & Percussion in Bergen.
As a soloist Jannicke has got the apportunity to perform with different band´s including Krohnengen Brass Band, Eikanger-Bjørsvik and the Royal Norwegian Naval Forces´Band.
Jannicke is now the principal euphonium of Krohnengen Brass Band. A high class brass band located in Bergen.
After she finished her music studies Jannicke is now working as a condutor and a teacher. Her instrument is an Adams E3 euphonium.