The Thieves' Hideout is the grey brick building on the northern end of Kakariko Village. It's easily recognized by its grassy roof. It's next to Sahasrahla's Cottage. You can enter the building ...

The next dungeon marked on your map with an X points to Thieves' Hideout, but the left entrance is locked. Approach the door and knock; the guard here will give you a series of lyrics from the ...