[2] Ewald participated in Melodifestivalen 2013, the selection process for picking the Swedish entry to the Eurovision Song Contest with the song "Begging" written by Fredrik Kempe, Anton Malmberg Hård af Segerstad.

[4] After Melodifestivalen he released two music singles, "Begging" and "Can't Hold Back", and two EPs, A and A-coustic.

Anton participated once again in Melodifestivalen 2014, performing the song "Natural" in the fourth and last semi-final on 22 February.

In 2016 and 2017, Anton worked with Rami Yacoub and released the singles Devil, L.I.L.Y (Like I Love You) and She Don't.

In 2022, Anton was featured in the song Made It Out by American rapper Apollo Lofton and in 2023, he got a starring role in the Swedish production of Moulin Rouge!