For how long I practice a day really depends on the period I’m in. If I’m practicing a song for a video recording, then I usually practice for a few hours, maybe two hours per day. I rarely practice more than that because it simply doesn’t work for me to sit down at the piano and just practice hour after hour. I simply lose my concentration by doing that. If I’m in a period where I’m not really working on a specific music track, then actually I don’t practice so much. I have many days where I don’t practice at all in those periods.