Artists like O-Town

A1 is a British–Norwegian boy group formed in 1998.

Ryan Frank Cabrera is an American musician. He began his career as a lead singer for the Dallas band Rubix Groove before pursuing his solo career. Following the 2001 release of independent album Elm St., he released his first major-label album, Take It All Away, on August 17, 2004, which went on to sell over two million copies. Earlier in the year, Cabrera had become known for his up-tempo pop-rock single "On the Way Down". It was then followed by Cabrera's second single, "True"; and his third single "40 Kinds of Sadness".

BBMak are a British band consisting of Mark Barry, Christian Burns and Stephen McNally. Formed in Liverpool in 1996, they sold more than three million albums worldwide between 1999 and 2003. The band first achieved success when their single "Back Here" gained popularity in radio stations in Asia and they later signed with Hollywood Records in the U.S. The band reworked their debut album Sooner or Later for an American release in 2000, and the album charted at number 38 on the Billboard 200 chart with "Back Here" becoming a top 20 hit. BBMak's success in the American market helped the band finally break through in their home country.

Five are an English boy band formed in 1997, consisting of members Abz Love, Scott Robinson, Ritchie Neville, Sean Conlon, and Jason "J" Brown. Five released several hit singles around the turn of the 21st century, particularly succeeding in their native United Kingdom. The group has sold over 20 million records worldwide and, according to the British Phonographic Industry (BPI), has been certified for sales of 1.6 million albums and 3.4 million singles in the UK.

Edwin Cole McCain is an American singer-songwriter and guitarist. He is best known for how 1998 single "I'll Be", which peaked at number 5 in the Billboard Hot 100; its 1999 follow-up, "I Could Not Ask for More", peaked within its top 40. 5 of McCain's 11 albums have entered the Billboard 200.

M2M is a Norwegian pop duo comprising Marit Larsen and Marion Raven. Larsen and Raven had been friends since the age of five and formed a music duo when they were eight. They released a children's album in 1996 when Larsen was 12 and Raven was 11, under the name "Marit & Marion". The album was nominated for a Spellemannprisen award and the band changed their name to M2M after signing a record deal with Atlantic Records in 1998. M2M were frequently praised for writing most of their songs and performing their own instruments, something that was considered to set them apart from the majority of teen pop music artists.

Michael Learns to Rock (MLTR) is a Danish soft and pop rock band formed in 1988 known for their musical popularity from early to late 2000s in Scandinavia and Asia. The band currently consists of Jascha Richter, Mikkel Lentz and Kåre Wanscher. Søren Madsen was an original member of the group since its formation but left in 2000. The band has sold over 11 million records over the course of their career, with the majority sold in Scandinavia and Asia. Despite being Danish, the band performs songs in English. The band has attributed its success in Asia to their drug-free, clean-living image, and to singing in English as a second language.

Amanda Lee Williford, known by her stage name Willa Ford, is an American interior decorator, singer, songwriter, television personality, film actress, dancer, and model. She released her debut album, Willa Was Here, in 2001. Ford also has appeared in movies such as Friday the 13th (2009), hosted several reality television shows, posed for Playboy and competed on ABC's Dancing with the Stars.

Daniel John Bedingfield is a New Zealand-British singer, songwriter, record producer and actor. His debut studio album, Gotta Get thru This (2002), spawned three UK number ones, "Gotta Get thru This", "If You're Not the One" and "Never Gonna Leave Your Side", and sold 1.6 million copies in that country. His second album, Second First Impression, was released in 2004. Bedingfield was a judge on The X Factor New Zealand in 2013. He has written songs for other artists and has acted in the West End theatre in London, England.

A-Teens are a Swedish pop music group from Stockholm. The group was formed by Niklas Berg in 1998 as an ABBA tribute group called ABBA-Teens, which was later renamed A-Teens. The band members are Marie Serneholt, Amit Paul, Dhani Lennevald, and Sara Lumholdt. The group is best known for the singles "Mamma Mia" (1999), "Upside Down" (2000) and "Floorfiller" (2002), all of which were hits worldwide. The group has been particularly successful in their home country where they have amassed eleven top 10 hit singles on the Swedish charts.

Colleen Ann Fitzpatrick, known professionally as Vitamin C, is an American record executive, singer, songwriter, record producer, and actress. She began her career as an Ivory soap baby and child actress, appearing in John Waters' film Hairspray (1988), and continued to appear in minor roles in films before launching a music career with the alternative rock band Eve's Plum in 1991.