Sony Mobile has updated their Music beta app to version 9.1.4.A.2.0beta which brings many new improvements.This will replace the previous beta channel build 9.1.4.A.1.1beta from the new build 9.1.4.A.2.0beta. So this new update consists of a new scrollable Play Queue. Also now with this updates Edit Music Info 2.0 will work on Marshmallow Concept SW. But the Album art will not work correctly. Sony ha moved the "Throw"-functionality in to the Cast menu and the have re introduced the My Library in Drawer menu. As always there are bug fixes and performance enhancements. See the full change log below.
Landing page: introducing scrollable play queue
Edit Music Info 2.0 now works (partially) on Marshmallow Concept SW (artist art is not available)
"Throw"-functionality has now moved into Cast-menu