Used only wet brush,smooth blend and air brush .
If you allow me to critique, I would suggest keeping actual grape bunch in front of you or taking a picture of it and drawing it that way you can get more natural placement.
Ok it was an imagination and more than that by mistake I choose a less pi canvas that makes it blured I am posting this because I need guidance from people like you I am a physic lecturer but an arts student …
Don’t worry about mistakes, we all learn, you are doing well, we would love to see more artworks from you. I also once again suggest you to buy a graphic tablet, there are some beginner tablets too