Kvintet Avsenik is a Slovenian folk and polka band from Slovenia, formed by Slavko Avsenik in 1953. With a career spanning over six decades, the group is one of the most popular and influential folk music ensembles in Slovenia, known for their lively polka rhythms and traditional Slovenian folk melodies.

The band's music often features a combination of brass instruments, accordion, and vocals, creating an energetic and festive sound that has captivated audiences across generations. Kvintet Avsenik has released numerous albums and singles throughout the years, including the ones you mentioned, and continue to be a beloved and iconic part of Slovenian music heritage.