TBA, situated within the TF Royal Theatre Mayo in Castlebar, Ireland, has evolved into a central hub for nightlife, music, and cultural events in the west of Ireland. The TF Royal Theatre itself boasts a rich history, originally opening its doors in the 1890s as part of the Travellers Friend Hotel complex. Over time, it developed from a modest concert hall into one of Ireland’s premier multifaceted entertainment venues, admired for its modern acoustics, expansive capacity, and adaptability.

Throughout its existence, the TF Royal Theatre has undergone multiple renovations and refurbishments, most notably in the early 2000s when it was transformed to accommodate international touring acts, large-scale concerts, and club nights like TBA that attract crowds from all over the country. Its reputation is built on providing a professional yet vibrant atmosphere, blending local Irish hospitality with international nightclub sensibilities. The “TBA” club nights are especially well-known for their eclectic mix of dance, electronic music, and pop, serving as a creative incubator for emerging talent while welcoming major acts.

The venue’s adaptability has allowed it to remain relevant, shifting with trends and supporting Mayo's cultural landscape by hosting festivals, comedy nights, theatre, and charity events alongside its core music programming. The club contributes importantly to Castlebar’s status as a cultural hotspot, drawing visitors who seek high-quality nighttime entertainment and musical experiences in the west of Ireland. Notable artists and acts who have performed at TBA and the TF Royal Theatre Mayo include international names such as 50 Cent, Westlife, Snow Patrol, The Script, and Imelda May, as well as acclaimed DJs like Judge Jules, Mark Knight, and Disciples.

The stage has also welcomed prominent Irish performers including The Coronas, Aslan, Christy Moore, Tommy Tiernan, and Nathan Carter. Local up-and-coming talents and festival collectives often feature, reflecting the venue’s ongoing commitment to supporting Irish music and culture.