Add Submenu

This submenu o' th' song context menu be providin' ways t' add th' selected song(s) t' books and sets, arrr!

• Book opens th' Book Picker that lets ye choose a book t' place th' songs into, or create new books, matey.
• Current Set allows ye t' add th' song(s) t' th' last viewed set. This be placin' th' songs at th' end o' th' currently selected set. If a set hasn't been explicitly selected, OnSong be selectin' th' set that be scheduled closest t' th' current date, savvy?
• New Set adds th' song(s) t' a new set marked with today's date right from this menu, blimey!
• Choose Set opens th' Set Picker allowin' ye t' choose a set t' add th' song(s) t', arrr!