Question: Among Jimi Hendrix and Preston who officially reunited The Ordinary Boys and in 2015?

Context paragraphs:
Freedom: Atlanta Pop Festival: Freedom: Atlanta Pop Festival is a posthumous live album by The Jimi Hendrix Experience, documenting their July 4, 1970 performance at the Atlanta International Pop Festival.  Billy Cox and Mitch Mitchell accompany Hendrix.  It features sixteen songs recorded during their evening performance, some of which appeared on the 1991 live compilation "Stages".  However, neither album contains all the songs played, as both omit Hey Baby (New Rising Sun) with which Jimi closed the show.  The album was released on August 28, 2015, in conjunction with the Jimi Hendrix video documentary, Jimi Hendrix: Electric Church.

Lifelines: The Jimi Hendrix Story: Lifelines: The Jimi Hendrix Story is a posthumous box set by Jimi Hendrix.  The four compact disc set was released by Reprise Records on November 27, 1990, and produced by Bruce Gary.  The first three discs comprise "", a narrated radio presentation of Hendrix's career.  The fourth, titled "The L. A. Forum Concert", contains live recordings from the Jimi Hendrix Experience's performance at the Forum in Los Angeles on April 26, 1969.

Experience Hendrix: The Best of Jimi Hendrix: Experience Hendrix: The Best of Jimi Hendrix is a compilation album of Jimi Hendrix songs released in 1997.  The single compact disc collects 20 songs spanning his career from his first recordings with the Jimi Hendrix Experience in 1966 to his last with Billy Cox and Mitch Mitchell in 1970.

The Ordinary Boys: The Ordinary Boys are an English indie rock band from Worthing, West Sussex.  Originally a hardcore outfit named Next in Line, they are influenced by punk rock and Britpop music, as well as the bands The Clash, The Specials, The Jam, The Kinks and The Smiths.  Their name derives from a Morrissey song, "The Ordinary Boys".  The membership of the band that originally split up in 2008 consisted of founding members Samuel Preston (vocals, rhythm guitar) – generally known simply by his surname "Preston", William Brown (lead guitar), James Gregory (bass), plus Simon Goldring (drums) who had replaced Charlie "Chuck" Stanley in 2005.

The Jimi Hendrix Experience: The Jimi Hendrix Experience was an American-English rock band that formed in Westminster, London, in September 1966.  Singer, songwriter, and guitarist Jimi Hendrix, bassist and backing vocalist Noel Redding, and drummer Mitch Mitchell comprised the group, which was active until June 1969.  During this time, they released three studio albums and became one of the most popular acts in rock.  In April 1970, Hendrix, Mitchell, and bassist Billy Cox performed and recorded until Hendrix's death on September 18, 1970.  This later trio was sometimes billed as the "Jimi Hendrix Experience", but the title was never formalized.

Billy Cox: William "Billy" Cox (born October 18, 1941) is an American bassist, best known for performing with Jimi Hendrix.  Cox is the only surviving member of Jimi Hendrix's three main bands, including the original Experience lineup (which did not include Cox); he was in the Band of Gypsys and afterwards the Cry Of Love trio (a.k.a. the Jimi Hendrix New Experience).  Cox was also in the short-lived Hendrix band Gypsy Sun and Rainbows (there are other surviving members from this group) which played Woodstock, prior to the Band of Gypsys formation.  Cox continues to perform dates with the Band of Gypsys Experience and the Experience Hendrix Tour.

Fire: The Jimi Hendrix Collection: Fire: The Jimi Hendrix Collection is a posthumous compilation album by American blues-rock musician Jimi Hendrix.  Released on June 7, 2010, the album features 20 songs from throughout the career of The Jimi Hendrix Experience and Hendrix as a solo musician, including "Valleys of Neptune", only officially released on the album of the same name in March 2010.  Released by CMG, the album is named after The Experience song "Fire", originally released on the band's debut album "Are You Experienced" in 1967.

Jimi Hendrix: James Marshall "Jimi" Hendrix (born Johnny Allen Hendrix; November 27, 1942 – September 18, 1970) was an American rock guitarist, singer, and songwriter.  Although his mainstream career spanned only four years, he is widely regarded as one of the most influential electric guitarists in the history of popular music, and one of the most celebrated musicians of the 20th century.  The Rock and Roll Hall of Fame describes him as "arguably the greatest instrumentalist in the history of rock music".

The Kennedy Experience: The Kennedy Experience is a music group and eponymous instrumental album conceived and produced in 1999 by violinist Nigel Kennedy.  The album is largely derived from the music of rock guitarist Jimi Hendrix and the title references his group The Jimi Hendrix Experience.  According to a BBC interview with Kennedy, the violinist stated that the recording is "an album of music inspired by Jimi Hendrix.  It is an extended instrumental work in six movements, each movement a classical interpretation of a Hendrix song".  On the recording, Kennedy is accompanied by seven other musicians, and the lineup includes two cellos, an oboe, two guitars, a Dobro, flute, and double bass.  With cellist Lynn Harrell, he has recorded an album of duets.

Preston (singer): Samuel Dylan Murray Preston (16 January 1982) more commonly known as Preston, is an English singer, best known for being the lead singer of The Ordinary Boys.  He also appeared in the reality television show "Celebrity Big Brother" in 2006, in which he finished fourth.  After The Ordinary Boys split in 2008, he embarked on a songwriting career.  In 2013 he officially reunited The Ordinary Boys and in 2015 they released their self-titled comeback album.

Supporting paragraphs: Jimi Hendrix Preston (singer)
Answer: Samuel Dylan Murray Preston