1TYM (원타임) was one of the early hip-hop groups of YG Entertainment, debuting in November 1998 with the album One Time For Your Mind. Its leader, Teddy Park, went on to become one of K-pop's best-known producers. Here are the members, history and what we know about the group today.

1TYM (원타임) K-pop hip-hop group
1TYM

🎤 1TYM Profile

Group name1TYM (원타임)
DebutNovember 1998
AgencyYG Entertainment
MembersTeddy (Teddy Park, leader), Oh Jin-hwan, Song Baek-kyung, Danny (Danny Im) — 4 members
GenreHip-hop, R&B
Hit songs"1TYM" (1998) / "One Love" (2000) / "Nasty" (2001) / "Hot" (2003) / "Without You" (2003) / "Cry" (2003) / "Do You Know Me?" (2005)

📖 About 1TYM

1TYM is a four-member hip-hop group that debuted in November 1998 with One Time For Your Mind. Its leader, Teddy, later produced many hit songs as a producer.

Made up of three rappers and one vocalist, the group won popularity with a sound that blended hip-hop and R&B.

🕰 Timeline

  • November 1998: Debut with One Time For Your Mind
  • April 2000: Second album 2nd Round
  • December 2001: Third album Third Time Fo Yo' Mind
  • November 2003: Fourth album Once N 4 All
  • November 2005: Fifth album One Way
  • 2006: Activities paused because of Oh Jin-hwan's military service
  • 2008: Guest appearance at BIGBANG's Japan show "Stand Up" (the group's last performance together)

🔥 Recent Activity (2025–2026)

We found no confirmed activity as a group since 2008, and there has been no official announcement of a breakup.

Teddy continues to produce hit songs as a producer. Danny is active as an MC at events such as KCON and as a host on variety shows.

We could not confirm any new group activity in 2025–2026 in this research.

✨ Highlights

  • An early popular group of YG Entertainment
  • Leader Teddy later became a renowned producer
  • No official breakup has been announced

❓ Frequently Asked Questions

When did 1TYM debut?

In November 1998, with the album One Time For Your Mind.

Who are the members of 1TYM?

Teddy (Teddy Park, leader), Oh Jin-hwan, Song Baek-kyung and Danny (Danny Im) — four members.

What agency is 1TYM under?

YG Entertainment.

What are 1TYM's most famous songs?

"1TYM" (1998), "One Love" (2000), "Nasty" (2001), "Hot" (2003), "Without You" (2003), "Cry" (2003) and "Do You Know Me?" (2005).

Did 1TYM break up?

No official breakup has been announced. We found no confirmed group activity since 2008, when they guested at BIGBANG's Japan show.

What do the members do now?

Teddy works as a producer of hit songs, and Danny is active as an event MC and variety-show host. We could not confirm other recent activities.

Based on public information as of October 2026. Debut dates and activity periods may differ between sources, and some details are from press reports, so please check official announcements for the latest information.