Tait is also a psychodynamic psychotherapist in private practice in London, registered with BPC, and FPC.
While with the quartet, Tait performed at Carnegie Hall, Musikverein and Konzerthaus, Köln Philharmonie, Concertgebouw, Chatelet, Cité de la Musique, Frankfurt Alte Oper and the Casals Hall in Tokyo.
He has given masterclasses at the Banff Centre for the Arts, the Glen Gould School, the New England Conservatory of Music and Stanford University.
Alasdair has participated in festivals Edinburgh, Salzburg, Schubertiade, Risør, Delft, Aldeburgh, Cheltenham and Bath,.
He has performed with Piotr Andrezewski, Christian Zacharias, Kathryn Stott, Imogen Cooper, Aleksander Madzar, Robert Levin, Isabelle van Keulen, Alexander Janicek, Valentin Erben, the Borodin Quartet, Heinz Holliger, Michael Collins, Simon Keenlyside, Dame Anne Murray and Christine Schäfer.