Lukas Graham

 ( Official Website ) 

Prior to officially releasing any music, the band had sold 17,000 tickets for an upcoming tour.

Their first release, available only in Europe and selected other nations, became certified five-times platinum in Denmark. Their first release also featured four charting songs such as "Drunk in the Morning", "Better Than Yourself (Criminal Mind Pt 2)" and "Ordinary Things". Over the course of 2012, Lukas Graham played 107 concerts throughout Europe, selling 40,000 tickets in Denmark alone. They sold 80,000 albums and 150,000 singles while also earning 5 million YouTube views and 27 million streams. Their tour took them across Europe to countries like England, Netherlands, Norway, Sweden, Germany, Austria, France, and Spain.

In the fall of 2013, the band signed to Warner Records. The record company signed them with the intent of bringing their music to the United States. Starting in early 2014, the band spent extended periods of time in Los Angeles writing and recording what would become their U.S. debut. The band is still represented by Copenhagen Records in the Nordics, Germany, Switzerland, Austria, and France and is managed by . In March 2014, Forchhammer himself contributed vocals to Hedegaard's Danish number-one single "Happy Home". Later in 2014, the band released their first single "Mama Said" off their upcoming album.

By the end of March 2016, "7 Years" had achieved around 225 million total listens on Spotify worldwide with 17.2 million listeners per month, making the band the 20th most popular artist on the service. On 1 April 2016, the self-titled international debut was released in the United States by Warner Records. The US release of the album received new artwork, a reworked track listing, and a wider worldwide audience in countries including, Canada, Australia, the United Kingdom, and New Zealand. The album reached No. 3 on the Billboard 200, No. 2 in the UK and New Zealand, No. 1 in Australia and Canada, and No. 5 in Ireland. The band also embarked on a two-month long tour throughout the United States and Canada at the end of March 2016. Most dates on the tour sold out. As of December 2023, "7 Years" has over 1.74 billion Spotify streams.

In June 2016, keyboardist Kasper Daugaard left the band. He was temporarily replaced by the band's producer and former keyboardist Morten Ristorp.

In December 2016, Lukas Graham was nominated for three including Record of the Year and Song of the Year for "7 Years" and Best Pop Duo/Group Performance. "7 Years" was also nominated for Song of the Year at the 2016 BBC Music Awards where the band performed the song live on 12 December 2016.

In 2017, Lukas Graham performed the song "Off to See the World", featured on the soundtrack of .

In September 2018, the band announced their third album 3 (The Purple Album), to be released on 26 October 2018 through Warner Records, and its lead single "Love Someone".

On 20 February 2019, Lukas Graham performed as a guest artist on the third season of I Can See Your Voice Thailand.

On 8 April 2019, Lukas Graham performed as a guest artist on the seventeenth season of American Idol during the second night of the "Top 20 Duets" episode. Forchhammer sang with contestants Eddie Island and Dimitrius Graham; both of which moved forward to the Top 14.