1. Practice them both separately first.
Most people are generally better at one than the other. So for a singer if youre stronger vocally then spend some time practicing the piano part by itself first. Then add your vocals.
And do this opposite way around as well – record a little backing track for yourself so play the song on the piano and record it onto your iphone and practice singing along to it to get the vocal part down pat.
Then when you put the two together, it should come a bit easier.
2. Do less.
I have a tendency to do too much to fill up the space but when I listen back it always sounds better if I leave more space and play less. So, just stick to just sounding out the main chords and quote the arpeggios a little bit and that should be more than enough.
If you’re only just starting, and you have a keyboard with a few sounds, add a pad sound layer to the keys and it fills up the space and sounds really nice. (Give example). So use what tools you have at your disposal to make your playing sound good without having to be a fantastic player.
The more you do something the easier it will become, so just keep practicing you’ll get there.
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