It does work (to pause and play again) after you click the album art and start playing any track from there. But initially it doesn't start the playback of the album and gives this error:
MusicBee v3.2.6721.35126 (Win10.0), 29 May 2018 17:08:
System.IndexOutOfRangeException: Index was outside the bounds of the array.
at #=z48MYs2KKlTF0XNKfGolBxPimrBhj.#=zjUGF9x3XM4IE8NTBsA==.#=z0mJgxQ77mUMNrjr61dL96QQ=.#=zdomfqpRijaiUKybvsg==(#=ziEFOeHy6FDgCDHWVNQm8Quo= #=z0aNL7kE=)
at #=z48MYs2KKlTF0XNKfGolBxPimrBhj.#=zjUGF9x3XM4IE8NTBsA==.#=z0mJgxQ77mUMNrjr61dL96QQ=.#=zm6nJaW1Tl_5hM$M7PA==(Boolean #=z0QHROevgc3r8lf8lGA==)
at #=z48MYs2KKlTF0XNKfGolBxPimrBhj.#=zjUGF9x3XM4IE8NTBsA==.#=z0mJgxQ77mUMNrjr61dL96QQ=.OnMouseDown(MouseEventArgs #=zG_Pl3Oo=)
at System.Windows.Forms.Control.WmMouseDown(Message& m, MouseButtons button, Int32 clicks)
at System.Windows.Forms.Control.WndProc(Message& m)
at #=zdqoW1OSwqePpWEz83YXWKQI=.WndProc(Message& #=zFbtHt1g=)
at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)