Roth's work explores the liberation of improvisation from composition, the poetic syntax of philosophical enquiry, and the function of music as translative epistemology (MaTE).

[1][2] He has developed projects in collaboration with scientists Thomas E. Lovejoy, Margaret D. Lowman, Iain Couzin and Henry S. Horn and his work has been commissioned and performed by the European Saxophone Ensemble, T. S. Eliot Foundation, RTÉ ConTempo Quartet, Happy Days International Beckett Festival, Trio InVento, The Ark Cultural Centre for Children, Dublin Dance Festival, Hong Kong New Music Ensemble, Yurodny Ensemble, Emma Martin Dance, National Concert Hall Dublin, Temenos and Rough Magic Theatre Company, with performances at international festivals including the Irish representation at the ISCM World Music Days 2016 in Tongyeong, South Korea.

Schmidt,[8] Gavin Bryars, Bobby McFerrin,[9] Tom Arthurs, Lucas Niggli, Kate Ellis, Mihály Borbély, Matthew Jacobson,[10] Miklós Lukács, Francesco Turrisi, Cora Venus Lunny, Crash Ensemble, Alex Bonney, Petar Ralchev, Zohar Fresco, Alkinoos Ioannidis, Theodosii Spassov, and world premières of new works by composers Mamoru Fujieda, Alla Zagaykevych, Dan Trueman, Ian Wilson, Benjamin Dwyer, Panos Ghikas, Kamran Ince, Roger Doyle, Dan Trueman, Judith Ring, Mel Mercier, Linda Buckley, Ed Bennett, Onur Türkmen,[11] Christian Mason, Francis Heery, Piaras Hoban and Elaine Agnew.

[14] In 2015 he was composer-in-residence at the California Academy of Sciences and the Irish Museum of Modern Art (IMMA) and in 2017 was artist-in-residence at the European Space Agency (ESTEC).

He studied saxophone in London with Gilad Atzmon and composition in Dublin under Ronan Guilfoyle and Elaine Agnew, undertaking further studies of improvisation in New York City under Steve Coleman, Ravi Coltrane, and Vijay Iyer, of pedagogy in Kecskemét at the Zoltán Kodály Institute under Katalin Kiss, and of Makam theory and composition in Crete under Sokratis Sinopoulos and Ross Daly.