: Fast, rhythmic dances in 2/4 time where participants hold hands in a circle or line.

Cătălin Neamțu remains a prolific performer in the genre, with his 2019 sets reaching millions of views on platforms like YouTube via videography channels such as . Catalin Neamtu-Colaj Sarbe-2019

: Neamțu often performed these sets with Formația Sincron , a group known for providing a modern, polished sound to traditional folklore and party songs.

: The 2019 collection is noted for its driving accordion and keyboard rhythms, designed to keep a dance floor full for extended periods. One of the most famous versions of this live set was recorded during a performance on a Live Vapor cruise .

The "Colaj" (Medley) typically includes two main traditional styles: