There is no single definition of traditional Irish music. Traditional Irish music is made up of different types of music and songs, played by the Irish in Ireland and abroad. It is a living tradition, today heard at "social gatherings, pub sessions, dances, concerts and festivals in various urban contexts". Much Irish music is rooted in dance, ranging from sean nos, meaning old style, to ceili or set dancing. Common dance tunes include reels, jigs, hornpipes, polkas, mazourkas and highlands, played on winds, strings and free reeds. instruments. Traditional Irish music was indeed established in the past, with generic forms and structural features developing in the mid-to-late 18th century. While Irish music still maintains a fixed structure, the way in which traditional Irish songs are adapted and performed evolves as Irish culture itself evolves. Besides structure, another constant is the type of instruments that musicians use to compose the distinctive sound of Irish music. These instruments include the accordion, fiddle and uilleann flute which, through their construction, sound and style, have contributed to the distinctive sound of traditional Irish music. Before examining the role that the accordion, fiddle and uilleann flute play in traditional Irish music. In Irish music, it is first important to understand the construction of each instrument and how it is played. Accordions, described as being "designed for a mass market of amateur musicians", can be defined as "diatonic, bellows-driven, free-reed instruments". The player uses their right hand to operate the buttons or keys, which creates the melody, and their left hand to operate the bass notes. As the musician opens and closes the bellows, the pressure exerted on the middle of the paper contributes to Ireland's musical identity. There are many opportunities to hear traditional Irish music. Every summer, Clare organizes the Doolin Folk Festival and in Dublin, the Frank Harte Festival. Today, the imagination, innovation and collaboration of musicians is increasing. For example, The Gloaming is an Irish music group founded by violinist Martin Hays and singer and musician Iarla O Lionaird. While The Gloaming plays traditional Irish music, staying in tune with the sound and structure of it, the band brings a fresh sound and makes music from poems. The connected world has led to an increase in opportunities for traditional Irish music, and it is the continued playing of the accordion, the uilleann pipes, the fiddler, the collaboration of musicians and the hearts of musicians that makes traditional music possible Irish to stay alive..