Apple released iTunes 12.4.2 with a fix for an Apple Music playback bug related to short songs and the app’s “Up Next” feature on Jul 18, 2016. Apple described the issue in its release notes:
This update resolves a playback issue with short Apple Music songs in your Up Next queue
The new iTunes version lands today alongside OS X El Capital 10.11.6, iOS 9.3.3, tvOS 9.2.2 for Apple TV, and watchOS 2.2.2 for Apple Watch.
Apple also released new betas today for developers with iOS 10 beta 3 alongside tvOS 10 beta 3 for Apple TV and watchOS 3 beta 3.
iTunes version 12.4.2 is available to install via the Mac App Store with the OS X El Capitan 10.11.6 update that brings various improvements for stability, compatibility, and security.
Source from http://9to5mac.com/2016/07/18/itunes-12-4-2-apple-music-short-song-playback/
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