Fusion occurs when elements of Irish traditional music are combined with other musical traditions. Traditional Irish music features include a repeated last note, modal scales, lack of dynamics, ornamentation, and unaccompanied performance using traditional Irish instruments and dances. Popular fusions include Irish traditional music combined with rock, classical, jazz, pop, world music, and hip hop. Mícheál Ó Súilleabháin is a composer and performer who studied classical music but fuses Irish traditional music with jazz and classical elements in his pieces. He combines classical features like piano, orchestra, dynamics, and scales with Irish elements such as ornamentation and dance rhythms, and jazz elements including improvisation, syncopated rhyth