The Nights in Old Ljubljana Town is an international festival run by Imago Sloveniae, a public interest institute, and traditionally presented during the last week of August. The concerts are held at more than ten, mostly open-air venues in the old city centre. The festival, whose thematic concept is based on serious and underrepresented music genres, including jazz, ethnic music, chanson and classical music, offers an overview of contemporary musical output and performance practices in these genres.

An annual festival of original music presented at Ljubljana’s Bežigrad Gallery since 1977, the three-day O•zvočenje Festival (Sound Reinforcement Festival) features composers of electronic, electroacoustic, acoustic and experimental music.

Held since 1991 in a variety of venues across the town of Bled, the international Okarina Festival is one of the oldest world music festivals in Europe. The 14-day event that takes place in late July and early August carries a powerful message about the importance of multiculturality and co-existence.

The Oktober Jazz festival, which is organized in cross-border long-term friendly cooperation together with the Controtempo association and the Jazz and Wine of Peace festival from Krmin, is based on the ten-year legacy of the Autumn Musical Tris cycle. After ten years, jazz dominated the trio, so it is not surprising that the cycle was renamed the Oktober Jazz festival. October brings a varied set of jazz musicians from Slovenia and the Friuli-Julia region, as well as other parts of Europe and the world, who bring the freshness of newer jazz production to Nova Gorica.

An international club festival, Orto Fest takes place throughout the month of April at Ljubljana’s Orto Bar. Over the course of its history, Orto Fest has hosted over 500 music bands and artists, which makes it a unique Slovenian club festival. It presents numerous Slovenian and international music acts, predominantly focusing on rock music and its various subgenres.

The reggae festival is held at Sotočje, the confluence of two mountain rivers – Soča and Tolminka. Music-wise, Overjam aims is to cover a wide gamut of reggae genres and subcultures, from ska to jungle, and from dub to dancehall. Since 2013, the festival’s different stages, concerts, as well as numerous DJs and selectors, have ensured that over the course of seven festival days the venue in Tolmin sparkles in shades of red, gold and green.

A two-day event, the Petroleum Beat Festival takes place in May at the speedway stadium in Petišovci. The punk-rock festival was launched in 2017.

Pihnfest is a traditional international music festival held by the Cerkno Brass Band Society. This attractive street festival brings together musicians and enlivens the city centre.

Taking place in the town of Piran since 2015, the two-week Piran Summer Festival features top-class arts and cultural events.

Pisana Loka (Colourful Loka) is Škofja Loka’s biggest festival. Running in the old city centre over ten packed August days, it provides a variegated cultural and educational programme for visitors of all ages.