Solo playing has included: Lou Harrison’s Concerto for violin with percussion at the London Spitalfields Festival in 2003 (broadcast on BBC Radio 3), the London première of James Dillon's Traumwerk III for violin and piano with Jonathan Powell for the BMIC in 2005, Vaughan Williams’ The Lark Ascending in St. Asaph Cathedral for the North Wales International Music Festival 2011, Xenakis’ Dikhthas for violin and piano with Roderick Chadwick at King’s Place in 2010, David Sawer’s The Memory of Water with the Birmingham Contemporary Music Group, Richard Hoadley's Calder's Violin for violin and computer at London City University, Bach's Violin Concerto in A minor and the Double Violin Concerto with ICE, which was formed out of string players from the CBSO, Mozart's Violin Concerto nr.3 with the Cheltenham Chamber Orchestra and Berg’s Violin Concerto with the Cambridge University Music Society.
He has recorded over 20 pieces of contemporary chamber or ensemble music, by composers including Philip Cashian, Roger Smalley, Michael Finnissy, Howard Skempton, Anthony Payne, Michael Zev Gordon, Diana Burrell, Gabriel Jackson, Mark Bowden and Alistair Hinton, including for labels NMC, Altarus, Métier and Riverun; for Ensemble Modern and the BMIC. He has improvised in concerts as a trio with Peter Wiegold and bassist Ben Markland for the Birmingham Contemporary Music Group.
With the Eroica String Quartet, Marcus played in the world première recording of the original version of Mendelssohn’s Octet, in summer 2010. Marcus is also a member of the Aiso String Quartet, the chamber ensemble Chroma (with whom he has played for 10 years), Ensemble Cymru, and the contemporary ensemble Plus-Minus. Marcus also performs in recital with his wife, pianist Christina Lawrie – they have played in England and Scotland, and have also performed together in lecture recital.
Marcus has guest led Ensemble Modern Frankfurt, Musikfabrik Köln, City of Birmingham Symphony Orchestra, Royal Liverpool Philharmonic Orchestra, Birmingham Contemporary Music Group, Aurora Orchestra, the Opera Group, the National Youth Chamber Orchestra, the Tanglewood Music Center Orchestra USA and the Cyprus State Orchestra. Conductors for whom he has played in contemporary groups include Pierre Boulez, Heinz Holliger, Sir Simon Rattle, George Benjamin and Oliver Knussen.
Marcus held the position of Principal First Violin with the CBSO from 2000-2002. He has played as guest Principal 2nd Violin for: Sir John Eliot Gardiner's Orchèstre Révolutionnaire et Romantique (at the Opéra Comique, Paris), the English Chamber Orchestra and the Scottish Ensemble. He has also played with Sir John Eliot Gardiner in venues including Carnegie Hall New York, Musikverein Vienna, Concertgebouw Amsterdam and Pisa Cathedral. Marcus has also played with Rachel Podger, Garry Cooper and Jane Booth in the period ensemble f2 at the Wigmore Hall; with the fortepianist John Irving; and in a recent Hyperion CD with Jonathan Cohen’s ensemble Arcangelo. He has also recorded Haydn’s horn trio Divertimento a tre for the Bate Collection, Oxford.
Marcus received starred First Class Honours in Music from Cambridge University and the Diploma for Advanced Instrumental Studies from the Guildhall School of Music and Drama where he studied with David Takeno. He was awarded the Norman-Butler Scholarship from the English-Speaking Union to the Tanglewood Music Center USA, where he was invited back as a Violin Fellow and received the Henry Cabot Award for outstanding contribution. Marcus is recipient of the Harriet Cohen Award, a scholarship from the Clothworkers City of London Guild, the Donald Wort Prize for performance from Cambridge University and the Mortons Bequest for performance of Beethoven from the Guildhall School.
Marcus has run a Strings and Piano Composition project at the Guildhall School, which combines student composers, pianists and string-players in new pieces. He has coached at the Apple Hill Center for Chamber Music in New Hampshire USA, for players of mixed ability and teenagers from deprived US inner cities, and at the Baltimore School for the Arts. With the ensemble Chroma, he has been involved in substantial education projects in schools in Spitalfields, Norwich, the Shetland Islands and Norway, and with BCMG in Birmingham. Other education projects include: schools in London, Amersham, Basingstoke, Birmingham and with Ensemble Cymru in North Wales; at the universities of Royal Holloway, Cardiff, Bristol, Durham, Coventry and Birmingham and at the Royal Academy of Music; at the Wigmore Hall with BCMG; teaching at the London Guildhall School Junior Department; for COMA at Leeds University and through the OAE and “Jessie’s Fund” in Taunton.