This is the Tutorial of a Yamaha PSR-SX900 Keyboard
6:04 Keyboard Overlay.
10:54 Favorites & Search Feature.
21:14 Assignable Buttons.
33:00 Real Time Control Knobs & Control Knob Assignable Button.
43:00 Home Shortcut Icons.
47:34 Arpeggiators & Playing Mega Voices Live.
53:44 Mixer Function.
1:01:13 Creating & Storing Registration Memories & OTS Change.
1:11:12 Registration Foot Pedal Sequence.
1:18:04 Style Reset/Tap Tempo.
1:20:59 GM&XG & GM2 Voices.
1:28:04 Creating Your Own Playlist.
1:31:22 Quick MIDI Recording.
1:34:30 Multi MIDI Recording.
1:53:47 Audio Recording.
1:59:57 Style Creator.
2:22:46 Chord Looper.
2:30:51 Bluetooth Connectivity.
2:34:24 Multi Pad Creator.
2:39:37 Multi Pad Audio Link.
2:45:22 Installing Expansion Packs.