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I probably know all Stevie Wonder songs by heart, no surprise haha!

Lately isn't one of them, because it's a gigantic song, It will take me few more years to master it too, it was always Lately and Ribbon In The Sky, the 2 untouchables songs, with their incredible finals.

There is also an unknown one by Stevie Wonder, is his adaptation of Redemption Song by Bob Marley.
The last run of the song, let me find it for you

I've set it up to start at 2:35, you will see the end run is just on another level.

Thanks for sharing 'Redemption Song' rendition by Stevie Wonder... I had never heard him previously perform the piece. Agreed; that end run would be tough to match.