Since you aren't painting a recognizable subject, these "building blocks" do the heavy lifting:
Play a song and let the tempo dictate your brushstrokes—long, flowing lines for jazz or sharp, jagged marks for rock [4]. Creating abstract art : ideas and inspirations ...
Use a "Limited Palette" (3–4 colors) to keep the piece from looking muddy. Try complementary colors for high energy or analogous colors for harmony [1]. Since you aren't painting a recognizable subject, these
The hardest part of abstract art is deciding when it’s finished. If you feel like one more stroke might ruin it, step away for 24 hours. Look at it in a mirror or upside down to see if the balance feels right [2]. flowing lines for jazz or sharp