Which traditional Irish instrument is primarily played during festivals and dances?

The violin

The violin, or fiddle as it is often called in an Irish context, is a staple of traditional Irish music. Easily portable and capable of producing a wide range of melodies and harmonies, the violin is at the heart of festive gatherings, from pub sessions to ceilidhs (dance parties). Its ability to express both exuberant joy and deep nostalgia makes it a favorite among musicians and listeners.