Apply a large reverb and consider reversing reverb tails to create those signature ambient swells found in the intro and transitions. Educational Resources
For production-focused learners, dragging an acapella or MIDI reference into a DAW like Ableton can help you map out the 5-element production formula: drums, bass, mids (piano), vocals, and FX. Music Production For Beginners (Step By Step Masterclass)
Ensure you cut the low end of your piano track to avoid clashing with the 123 BPM kick drum.
The "Original Mix" relies on a crisp, acoustic-style piano sound layered over deep synth pads. To get this tone in a mix, use asymmetrical EQ to process the left and right channels separately, which adds width and space to the grand piano sound.
To master by Platunoff , you should focus on its atmospheric, progressive house elements. Track Overview