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Celebrate 303 Day all year long with TB-303 A Guy Called Gerald, an artist-crafted patch collection for Roland’s ACB recreation of the TB-303 Bass Line.


From his early years as a founding member of 808 State to his groundbreaking single “Voodoo Ray,” A Guy Called Gerald has continually followed his “True School” ethos to bend and break the axioms of electronic dance music. Strap in as the master conjures myth and magic with this truly original collection for the TB-303. Use these otherworldly patterns to add cryptic rhythms to your compositions. Or craft new musical spaces with mind-bending patches that stretch the sonic capabilities of the 303.

  • Patch collection for the TB-303 Software Bass Line
  • Crafted by legendary producer and artist A Guy Called Gerald
  • 32 patches and 32 patterns
  • Included with Roland Cloud Ultimate and Pro memberships
  • Also available with a Lifetime Key purchase

Download TB-303 A Guy Called Gerald today—available with Roland Cloud Ultimate and Pro memberships or a Lifetime Key purchase.