Question: Of Myles Goodwyn and Justin Timberlake, which started his musical career earlier?

Context paragraphs:
Dead and Gone: "Dead and Gone" is a song by American hip hop recording artist T.I., featuring American singer-songwriter Justin Timberlake.  It was released as the eighth single from T.I.'s sixth studio album, "Paper Trail" (2008).  Due to the high number of digital downloads upon the album's release, the song debuted on the "Billboard" Hot 100 before its official single release.  The song marked the second collaboration between T.I. and Justin Timberlake, the first being the hit single "My Love", from Timberlake's second album, "FutureSex/LoveSounds" (2006).  T.I. and Timberlake performed this song at the 51st Grammy Awards.  The song was later nominated twice at the 52nd Grammy Awards, for Best Rap/Sung Collaboration and Best Rap Song.  It was the 10th bestselling digital single of 2009 in the United States.  As of 2012, it had sold 3.1 million copies in the country.

Justin Timberlake: Live from London: Justin Timberlake: Live from London is the first live video album by American singer-songwriter Justin Timberlake.  It was released on December 15, 2003, by Jive Records.  It documents Timberlake's performance at the London Arena on May 18, 2003.

William Rast: William Rast is an American clothing line founded by Justin Timberlake and Trace Ayala.  It is most known for their premium jeans.  On October 17, 2006, Justin Timberlake and Trace Ayala put on their first fashion show to launch their new William Rast clothing line.  The label also produces other clothing items such as jackets and tops.  The company started first as a denim line, later evolving into a men’s and women’s clothing line.

Rob Knox (producer-songwriter): Robin Tadross (born August 8, 1980), professionally known as Rob Knox, Is an American record producer and songwriter.  He is best known for working with artists including Justin Timberlake, Lil Wayne, T.I. , Rihanna, Britney Spears and Chris Brown.  Knox has produced singles including "Dead and Gone" by T.I and Justin Timberlake and "Love Sex Magic" by Ciara and Justin Timberlake.

Myles Goodwyn (album): Myles Goodwyn is a 1988, self-titled solo album by Myles Goodwyn, the lead singer/songwriter, guitarist, pianist, and founding member of the Canadian rock group April Wine.  Two alternate versions of this album exist, with a reissue having been released with different album cover art from that of the original.  Other notable differences found on the reissued version include renaming the song "Sonya".  This song which had appeared on the original release is now named "My Girl".  .  Track listings appear in a slightly different order on the reissued version as well.

Attitude (April Wine album): Attitude is the thirteenth studio album by the Canadian rock band April Wine, released in October 1993 (see 1993 in music).  It was the band's first album since their break-up in the 1980s.  The boy on the front cover of the album is Myles Goodwyn's son.

Fast Train: "Fast Train" is the first single by the Canadian rock band April Wine, from their 1971 self-titled debut album.  It was a top 40 hit in Canada, peaking at #38 on the "RPM" 100 Singles Chart.  It also peaked at #23 on the Canadian CHUM singles chart, on June 26, 1971.  The success of this single established Myles Goodwyn as the band's main songwriter, and made it possible for April Wine to record a second album.

Justin Timberlake: Justin Randall Timberlake (born January 31, 1981) is an American singer-songwriter, actor and record producer.  Born and raised in Tennessee, he appeared on the television shows "Star Search" and "The All-New Mickey Mouse Club" as a child.  In the late 1990s, Timberlake rose to prominence as one of the two lead vocalists and youngest member of NSYNC, which eventually became one of the best-selling boy bands of all time.  Timberlake began to adopt a more mature image as an artist with the release of his debut solo album, the R&B-focused "Justified" (2002), which yielded the successful singles "Cry Me a River" and "Rock Your Body", and earned his first two Grammy Awards.

Love Dealer: Love Dealer is Esmée Denters' third single from her debut album "Outta Here".  The song was written by Denters, Justin Timberlake and production team StarGate in 2009.  StarGate produced the song together with Justin Timberlake, who also provided featured vocals.  On March 22, 2010, British radio station BBC Radio 1Xtra confirmed that "Love Dealer" would be Esmée Denters' next single off of "Outta Here".  It was, however, her first official single in the US.  The song was released in an attempt to help her break the US market with the help of Justin Timberlake.  Due to a lack of airplay in the United Kingdom the single failed to reach the UK Top 40.  It also failed to chart on the "Billboard" Hot 100.

Myles Goodwyn: Myles Francis Goodwyn (born Miles Francis Goodwin, (1948--) 23, 1948 ) is a Canadian record producer, guitarist, lead vocalist, main songwriter, and founding member of the veteran Canadian hard rock band April Wine.  As the longest serving (and only original) member, Goodwyn has led the band from its modest garage band roots to multi-platinum sales.

Supporting paragraphs: Myles Goodwyn Justin Timberlake
Answer: Justin Randall Timberlake