"Freestyler" is a song by Finnish hip hop group Bomfunk MC's. It was released in Finland on 30 October 1999 as the third single from their debut studio album, In Stereo (1999), and was released internationally in February 2000. "Freestyler" peaked at number four on the Finnish Singles Chart and topped the charts in more than 10 countries, including Australia, Germany, Italy, New Zealand and Sweden. The song also peaked within the top 10 of the charts in Denmark, Iceland, Ireland, and the United Kingdom.

"B-Boys & Flygirls" is a song by Finnish hip hop group Bomfunk MC's that was released as the second single from their debut studio album, In Stereo. It was originally released in 1999, becoming a hit in their native Finland. Following the worldwide success of "Freestyler" the following year, the single was re-released as the "Y2K Mix" and became another hit for the group, charting within the top 20 in several mainland European countries and Australia. It was not released in the United Kingdom, where "Uprocking Beats" was chosen as the follow-up single instead.