The Serato DJ Pro does not show iTunes tracks or libraries.
Confirm the settings regarding iTunes.
Open Serato DJ Pro [Setup] > [Library Display] and check [Show iTunes library].
For details, refer to Serato DJ Pro Manual.
You can read the Serato DJ Pro Manual [serato.com].
*If the instructions above doesn't work, make sure that [Share iTunes Library XML with other applications] is enabled in the iTunes preferences.
Refer to the iTunes support for more information.
