Stefan Dabruck

"Speechless" is a song by German producer Robin Schulz, featuring vocals from Canadian-Finnish singer Erika Sirola. It was released by Warner Music Group Germany, to digital download and streaming formats, on 16 November 2018. The song was written by Schulz, Chris Braide, Teemu Brunila, Dennis "Junkx" Bierbrodt, Guido Kramer, Jürgen Rohr and Stefan Dabruck. Production was handled by Schulz and Junkx.