Early classical training and a keen interest in rock and blues styles formed the backbone for Andi's guitar playing that is equally traditional and modern. From the late 80s on he was an in-demand live and studio musician on the Swiss music scene and beyond, highlights included recording sessions in England and the USA and countless gigs spanning from the legendary C.B.C.B's in New York City to the prestigious St. Galler Open Air Festival in Switzerland. For the past 15 years Andi has also operated his own Doorknocker Recording Studio in Basel, Switzerland. He produced the solo debut of California Americana artist Mark Wise who recently finished his third album production at Doorknocker. Andi has also worked with David Waddell both in the studio and as part of his Hellbound Train band.

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In recent years, Andi has produced the young Irish singer Oisin and his own project 'English Garden' which led to frequent airplay on Swiss radio. In spring 2018, Gisler co-produced the debut album of Gregory Larsen and is also part of Gregory’s live band that is very active on the European Country scene.

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In 2017 Andi also had the honor of recording the legendary Manfred Mann and his Earth Band who were in town for the Baloise Session concert and used their time in Basel for adding recordings for their upcoming album.

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Andi lives in Basel.