Christoffer Semelius (aka. Christoffer Lauridsen) (born 1 August 1986) is a Danish-Swedish songwriter and producer working out of Stockholm. He has produced and written for artists such as Red Velvet,The ReVe Festival: Day 2 Got7, Wanna One, Martina Stoessel, and Chord Overstreet.

Early in his career Christoffer moved to the United Kingdom where he worked as an assistant engineer in a recording studio. Shortly after his time in the UK Christoffer was hired to work in one of Copenhagen's prime recording facilities to engineer jazz and classical recordings. Christoffer studied music production in Växjö, Sweden, and afterwards moved to Stockholm where he worked as a producer/songwriter in collaboration with Anders Bagge, Stefan Örn and Johan Kronlund for several years.

Christoffer is a multi-platinum certified songwriter who has co-written/produced songs for/with several international writers/artists and has contributed to several international Billboard charts and won "Song of the year" with Umpah Umpah. He has also done work for Eurovision Song Contest and collaborated with Jay-Z early in his career.

"Losing the Love"(produced and co-written by Christoffer) is featured in the Disney movie titled Tini: El gran cambio de Violetta starring Martina Stoessel, as well as on her debut album. When released on April 29 the album went Gold in Argentina and topped the charts in several countries.

Songwriting/producer discography + Title Year Album Songwriter Producer "Mogę wszystko, nic nie muszę" 2014 Agata Dziarmagowska – Mogę wszystko, nic nie muszę (Single) "Drop Drop" 2014 Agata Dziarmagowska – Drop Drop (Single) "People Are Lonely - Chritoffer Lauridsen Remix" 2014 Gravitonas, Army Of Lovers – People Are Lonely "Tick Tock" 2014 Mariya Yaremchuk – Tick Tock "Blisko Mnie" 2015 Agata Dziarmagowska – Blisko Mnie - (Single) "President" 2015 Agata Dziarmagowska – President - (Single) "Renuncio - (Christoffer Lauridsen Remix)" 2015 Ruth Lorenzo – Renuncio "The Shining" 2015 Alien Huang – ALiEN "Love You Out Loud" 2015 Benjamin Lasnier – Love You Out Loud "Losing The Love" 2016 Tini – Martina StoesselTini (album) "Touch" 2016 She La La Summer Time – Kis-My-Ft2 "Somebody To Hurt" 2017 Benjamin Lasnier – ''Somebody To Hurt|

! scope="row" | "Ordinary People" | rowspan="1" | 2017 | Levina – Unexpected

! scope="row" | "Hot!x2" | rowspan="1" | 2017 | Kis-My-Ft2 – Hot!x2|

! scope="row" | "Sweet Birthday" | rowspan="1" | 2018 | KAT-TUN – Sweet birthday|

! scope="row" | "Into The Rhythm" | rowspan="1" | 2018 | Taemin – ''Into The RhythmTaemin (album)

! scope="row" | "Umpah Umpah" | rowspan="1" | 2019 | Red Velvet – The ReVe Festival: Day 2The ReVe Festival: Day 2

! scope="row" | "Crash & Burn" | rowspan="1" | 2019 | GOT7 – Call My Name

References