Bernhard is a bass player, composer, arranger, producer and performer. Besides his activities as a sideman for a wide spectrum of genres and bands, he is currently mainly focusing on original music and own projects. His interest lies in a genre-fluid mix of styles and combines elements of his trained background as a jazz bass player with a progressive and contemporary attitude, which pushes himself into unknown territory; as a bass player as well as, as a composer/producer.

In 2009, Hollinger received the "emerging artist"-award of the Jazzfestival Ingolstadt; in 2019 the "Sonderpreis der Schule für Dichtung" at the ORF Hörspiel-Gala for the track "Feminismus im Dunkeln", which he produced together with Vienna-based spoken word artist Fräulein Hahnkamper; in 2020 the award for "Best audio book" by the ORF for "How to protect your internal ecosystem" by Miriam Schmidtke.