Question: What career did Bert McCracken and Nick Jonas have in common?

Context paragraphs:
In Love and Death: In Love and Death is the second studio album by American rock band The Used.  It was released on September 28, 2004 and was later certified gold in the United States, indicating over 500,000 copies shipped.  It is their most commercially successful album to date.  The title and music reference a number of tragic events that surrounded vocalist Bert McCracken during the album's production, notably the death of his pregnant girlfriend.  "In Love and Death" is the final studio album to feature drummer Branden Steineckert.

Levels (Nick Jonas song): "Levels" is a song by American singer Nick Jonas.  It was released on August 21, 2015, by Island, Safehouse and Republic Records.  The song was written and produced by Ian Kirkpatrick and The Monsters and the Strangerz, with additional songwriting provided by Sam Martin, Sean Douglas, Talay Riley and Like Mike.  The song's accompanying music video was directed by Colin Tilley and was released on August 30, 2015.  The song is the first and only single from "Nick Jonas X2", the reissue of "Nick Jonas".  The song was listed by SPIN Magazine as the 11th best song of 2015.  The dance remixes of "Levels" reached number one on "Billboard's" Dance Club Songs chart in its December 12, 2015 issue.

Nick Jonas (album): Nick Jonas is the second eponymous studio album by American singer-songwriter Nick Jonas.  It was released on November 10, 2014, by Island Records.  The album features a sole collaborations with Angel Haze, Demi Lovato and Mike Posner.  The album received a generally favorable reviews from music critics and has reached the top 10 in the United States, becoming top 20 in the United Kingdom, Mexico and Canada, whilst it also been reaching in the top 40 in Australia and New Zealand.  It was re-released on November 20, 2015, under the title "Nick Jonas X2"; including three new tracks and four remixes.

Nick Jonas: Nicholas Jerry Jonas (born September 16, 1992) is an American singer, songwriter, producer, and actor.  Jonas began acting in theater at the age of seven, and released his debut single in 2002.  He released his eponymous debut album in 2004 to little success, though it did catch the attention of Columbia Records.  Jonas opted to form a band with his older brothers, Joe and Kevin, known as the Jonas Brothers.  The group released their debut studio album "It's About Time" through Columbia Records.  The record failed to achieve commercial success, thus the group parted ways with their label.  Their self-titled second studio album was released through Hollywood Records in 2007, and became their breakthrough record.  The band became prominent figures on the Disney Channel during this time, gaining a large following through the network.  The band starred in the widely successful film "Camp Rock" (2008).

Bert McCracken: Robert Edward "Bert" McCracken (born February 25, 1982) is the lead singer and songwriter of the American rock band The Used.

Nick Jonas discography: American singer Nick Jonas has released three studio albums, one extended play (EP), and nineteen singles (including four as a featured artist and six promotional singles).  In September 2005, Jonas released his eponymous debut studio album "Nicholas Jonas".  After serving as a member of the bands the Jonas Brothers and Nick Jonas & the Administration, Jonas returned to his solo career in 2012.  On May 8, he released "Songs from How to Succeed in Business Without Really Trying", an EP containing songs performed on stage during his Broadway musical, "How to Succeed in Business Without Really Trying".

Nick Jonas Live: Nick Jonas Live is the first concert tour for American pop singer, songwriter Nick Jonas without his band, the Administration or the Jonas Brothers, to support his debut album, "Nick Jonas" (2014).  The tour starts on September 22 in Seattle and ends on November 6th in New York.

Safehouse Records: Safehouse Records is an American record label created by artists Demi Lovato, Nick Jonas and their manager Phil McIntyre.  Announced on May 26, 2015, their goal is to "put artists in control of their art while providing them the best tools to manage their careers".  The first official album to be released from the label was Lovato's fifth studio album, "Confident" (2015), followed by "Nick Jonas X2", the re-issue of Jonas' self-titled second album.  On December 15, 2015, it was announced the record label signed a joint deal with Universal Music Publishing Group, and also welcomed Chord Overstreet to a publishing deal, as part of Safehouse Publishing.

Nick Jonas: Live in Concert: Nick Jonas: Live in Concert is the second headlining concert tour by American singer Nick Jonas, promoting the singer's second studio album, "Nick Jonas".  The tour began on August 8, 2015, in Santo Domingo, Dominican Republic and ended on October 25, 2015, in San Francisco, California.

Nick Jonas &amp; the Administration: Nick Jonas & the Administration is a band formed in late 2009 as a side project by Nick Jonas of the Jonas Brothers.  Performers include singer, pianist, guitarist, drummer and songwriter Nick Jonas, bassist John Fields, drummer Michael Bland, keyboardist Tommy Barbarella, and guitarist David Ryan Harris.  Sonny Thompson replaced David Ryan Harris during the 2010 tour.  The group was named after Nick Jonas's interest in the presidency.

Supporting paragraphs: Bert McCracken Nick Jonas
Answer: singer, songwriter,