1: Going after the final piece of puzzle for a very long time (3)
2: Plots get Cuban revolutionary leader in a terrible mess (7)
3: This is truncated, or the end's off (9)
4: Getting old drink in silver container (5)
7: Song about death for lover of Theseus (7)
8: Lady sitting atop a bird (5)
11: One final, huge Greek goddess (3)