Conversation so far:
who were carrie and lowell?
On January 12, 2015, Asthmatic Kitty Records announced that Stevens would release a new LP called Carrie & Lowell on March 31, 2015.
was this album successful?
The album met with critical acclaim on release, receiving a 9.3 from Pitchfork under "best new music", and an initial score of 90 from Metacritic.
did it have any hit singles?
CANNOTANSWER.
did they go on tour?
On January 26, 2015, Asthmatic Kitty Records announced a tour of North America.

Question: what was the greatest gift?
Self-contained rewrite: what was the greatest gift about?