Perfect Pitch and Tone Language Fluency (image) University of California - San Diego Share Print E-Mail Caption The figure shows, for each group and subgroup of subjects, the average percentage correct on the test for perfect pitch. Within each group, early musical training mattered. However, holding ethnicity constant, there was also an overwhelmingly strong effect of tone language fluency. Credit Courtesy Diana Deutsch. Usage Restrictions With credit Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.