[3][4] In 2009, Sudduth partnered with producer Tim Lauer and engineer Dan Hansen to record an a cappella version of "Sedated", released under the name Mikky Ekko.
In September 2009, he toured with the Nashville-based collective group Ten Out of Tenn.[5] Lauer and Hansen collaborated with Ekko for his 2010 EPs, Reds and Blues.
[2] It was featured in no fewer than six TV series episodes[6] (Teen Wolf, Ringer, Pretty Little Liars, True Blood, The Blacklist and Reign).
[9] In November 2012, Ekko was featured on singer Rihanna's seventh studio album Unapologetic on the track "Stay", which became a single in 2013.
[12] The song charted in the top five of 19 countries, including in Australia, France, Germany, Ireland, New Zealand and Switzerland.
[13] Mikael Wood of Los Angeles Times positively reviewed the performance and wrote that it was the most memorable moment of the night.
[16] Ekko co-wrote the song "We Remain" for The Hunger Games: Catching Fire – Original Motion Picture Soundtrack, performed by Christina Aguilera.
In April 2015, Ekko was picked as Elvis Duran's Artist of the Month and was featured on NBC's Today show hosted by Kathy Lee Gifford and Hoda Kotb and broadcast nationally where he gave a live performance of "Smile".