Music score published @ Sheet Music Plus 

https://www.sheetmusicplus.com/publishers/3017556

Music score published @ MuseScore

https://musescore.com/user/35624391

Music @SoundCloud

https://soundcloud.com/amadeusleung

Youtube Channel@

https://www.youtube.com/ComposeraCool

https://www.youtube.com/Symcorhk

Apps published @ Google Play

https://play.google.com/store/apps/developer?id=Amadeus+Leung

Books published @ Amazon

https://amazon.com/author/amadeusleung