It was released on March 31, 2016 (2016-03-31) as the second single of the XsessionMUSICVLOG project, which consisted of recording sessions that took place weekly in the Scandalos Music studio during 2016.

"Las-o…" is a Hip-Hop-Rap song where the Rap part is done by Vescan, being accompanied by Ristei who sings the pop-oriented chorus.

The song experienced commercial success, peaking at number one in the Romanian charts and the XsessionMUSICVLOG music video surpassing 43 million views on YouTube (as of April 2021 (2021-04)).

[1][2][3] The song peaked number 1 in both the weekly Romanian Radio and TV Airplay charts and won the Media Music Award for Best Summer Hit of 2016.

It is dubbed as the Xsession version and it features Vescan, Ristei and the band all playing the song.