"Like Portishead's Beth Gibbons, Heidelberg dishes out dark-hued affairs of the heart with stinging, deadpan poise"
BBC Radio 3, Late Junction
"Heidelberg is a fine vocalist: aggressive one moment, tender the next...attitude in spades, a Slits for the new jazz age."
All About Jazz
"Heidelberg’s quasi-operatic vocals are entrancing, and her control of volume and tone, especially at the delicate end of her range, is breathtaking. The echoes span John Lydon to Thomas Adès"
The Arts Desk
Heidi Heidelberg is an anarchic soprano, an improviser, musician and a composer, bringing together classical coloratura, jazz scat, beatbox and rock vocal influences. Winner of the infamous Nonclassical 'Battle of the Bands' contest 2017 and was a selected participant in Serious' prestigious 'Take Five' professional development programme Edition X she is a fiercely creative performer and composer.
A gutsy electric guitarist and master of the loop pedal she has written music for award-winning films and theatre, and collaborated with a number of innovative artists. Her current projects include fluid form duo project 'Bitch 'n' Monk', work as a soloist, Philipp Ruttgers' North Sea Jazz commission project Tales of HC Andersen Untaped and collaborations with various composers, improvisers, cinematographers and musicians. Bitch 'n' Monk have released the critically-acclaimed 'Fulafalonga EP'  and 'We Are Peering Over' , and are currently working on a new album due for release in 2019.
Heidelberg has appeared live at the London Jazz Festival, North Sea Jazz Festival, Bimhuis, La Cigale, Royal Festival Hall, Union Chapel, Manchester Jazz Festival, Dunkers Kulturhus, InJazz Festival, LantarenVenster, Paradox Tilburg, Live on BBC Radio 3, Umea Jazz Festival, So What's Next Festival, among others. But she also enjoys more DIY and intimate performance contexts where experimentation can thrive.
Heidelberg's other collaborations include work with celebrated composer Lina Lapelyte on 'Candy Shop' which has toured the UK, including performances at Glasgow Counterflows festival and the Queen Elizabeth Hall, and 'Mouthpiece' by Jennifer Bell, a performance for a cappella voices which has been performed in Bristol, live on the BBC and at the Houses of Parliament.
She also leads workshops in songwriting and composition, facilitating workshops across the UK, Northern Ireland and India, with a special interest as a mentor empowering young women to express themselves through music.