Grabbing a guitar, playing around and then suddenly have a good melody. That was exactly how He started the song ‘'talk to me’'. He added more instruments to it and then immediately went on skype with viola to discuss the vocals. They came up with a nice and mellow melody. After they had the verse and pre-chorus He started to think about a catchy drop. After 10 minutes of playing some chords on his piano He came up with a Catchy rhythmical chord progression. Started with the sound design for the drop and then finish it all up. Messing around with your guitar or piano can turn into a great song.