S004U121L005 Bird Set Free - Sia-1 Hey there! Want to see what songs we've got (and what's coming soon)? On  desktop , just look for the blue  " Table of Contents "  link in the top-left corner, right under "DUOLINGO SONGS." Easy peasy! If you're on  Android , tap the  three horizontal lines  (menu icon) in the top-left corner. A menu will pop up, and you'll find the  " Table of Contents "  link there.