Question: Tramar Lacel Dillard (born September 17, 1979), known professionally as Flo Rida (pronounced ), is an American rapper, singer, songwriter and composer from Carol City, Florida. His 2008 breakout single "Low" was number one for 10 weeks in the United States and broke the record for digital download sales at the time of its release. Flo Rida's debut studio album, 2008's Mail on Sunday, reached number four in the US. The album was succeeded by R.O.O.T.S., the next year.

Flo Rida was born as Tramar Lacel Dillard in Carol City, Florida, on September 17, 1979. His parents raised him and his seven sisters together, some of whom sang in a local gospel group. His brother-in-law was a hype man for local rap group 2 Live Crew, and while in ninth grade, Flo Rida joined an amateur rap group called the GroundHoggz. The GroundHoggz had been a three-man group, with members who lived in the same apartment complex as Flo Rida. They started recording at underground studios in Carver Ranches. The GroundHoggz, in this four-man incarnation, remained together for eight years. While performing, Fresh Kid Ice of 2 Live Crew took notice and asked him to be his hype man, a shortly after he took him for a show in Hawaii. They developed a long lasting friendship, Flo Rida considers this period as his schooling. He would often bring his group around when performing with him. They were eventually all invited as featured guests on Fresh Kid Ice's fourth album Freaky Chinese (2004). Flo Rida's work with 2 Live Crew member Fresh Kid Ice, attracted the attention of DeVante Swing, a member of the band Jodeci. However, he was rejected by several of the major labels, so he sought many other jobs outside of music. After graduating from high school in 1998, he studied international business management at the University of Nevada, Las Vegas for two months and attended Barry University for two months. He returned to Florida to continue pursuing his music career after receiving a phone call from a representative of the independent label Poe Boy Entertainment. Flo Rida signed with Hot Boyz, in 2000 and with Poe Boy, in 2004 and began affiliating himself for Cash Money with other Southern hip hop artists, such as Rick Ross, Trina, T-Pain, and Trick Daddy. A promotional single entitled "Birthday", featuring Rick Ross, was his first significant release. He made his debut guest appearance with the song "Bitch I'm From Dade County" on DJ Khaled's album We the Best (2007), which also features Trick Daddy, Trina, Rick Ross, Brisco, C-Ride, and Dre.

Using a quote from the above article, answer the following question: What did he do during his early years?
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Answer: while in ninth grade, Flo Rida joined an amateur rap group called the GroundHoggz.

Problem: Michael Stock (born 3 December 1951) is an English songwriter, record producer and musician, best known for being a member of the songwriting and production team Stock Aitken and Waterman that achieved success in the 1980s and 1990s. He has written or produced numerous worldwide hits including 18 No. 1 records in America and the UK, and over a hundred top-40 hits. Stock is one of the most successful songwriters of all time as recognised by the Guinness Book of Records. As part of Stock Aitken and Waterman, he is acknowledged as the most successful producer-songwriter in British chart history and holds the record for the most No. 1 records with different acts, with 11.

In 1993 Stock formed 'Love This Records', and built a brand new multimillion-pound recording studio in London. The first record released with 'Love This Records' was a dance cover of the track Total Eclipse of the Heart. It was a worldwide hit for Nicki French, reaching No. 2 in America and No. 1 in seven countries selling over 2 million copies. In 1994 Simon Cowell asked Stock to produce the record for the popular kid's TV show 'Mighty Morphin Power Rangers' which was a top 5 hit in the UK. Cowell had worked with Stock on previous occasions with artists such as Sinitta, for whom Stock wrote and produced various hits like Toy Boy in 1987. Stock again collaborated with Cowell in 1993 on the World Wrestling Federation (WWF) album Wrestlemania which spawned the No. 4 hit 'Slam Jam'. In 1994 Stock produced several artists for Simon Cowell including Kym Mazelle, Jocelyn Brown and Robson and Jerome. Their cover of Unchained Melody produced by Stock and Aitken became the highest selling non-charity single of the decade, remaining at No. 1 for 7 weeks in 1995 selling 2.5 million copies. Stock produced a further two No. 1 singles with Robson and Jerome and two No. 1 albums. After several years producing hits for Stock's own label 'Love This Records' and with Simon Cowell for BMG/RCA, the structural integrity of Stock's studio became compromised by the tunnelling of the Jubilee Line extension, and the damage forced Stock to pursue legal action against London Underground. As a result, Stock was forced to pull out of a joint deal with Cowell and BMG to produce several artists including the band Westlife in 1996. In 1998 Stock and Aitken teamed up with Steve Crosby who had created the group Steps, to form the band Scooch. Their first single 'When My Baby' reached No. 29 and their follow up, 'More Than I Needed To Know', was a top 5 hit in the UK in 2000 and went to No. 1 in Japan. Scooch's album 'Four Sure' spawned two more top 20 singles. Stock also scored a top 20 with 'Airhead' by girl band Girls@Play, with EastEnders' star Rita Simons that toured with Steps. In 2003 Stock formed the label Better the Devil Records and had a huge hit with the Fast Food Song selling 200,000 CD singles. Stock wrote and produced two further singles for the Fast Food Rockers including the top 10 'Smile Please'.

What are some other artists that he worked with?

Answer with quotes:
In 1994 Stock produced several artists for Simon Cowell including Kym Mazelle, Jocelyn Brown and Robson and Jerome.