SELECT T2.name FROM singer_in_concert AS T1 JOIN singer AS T2 ON T1.singer_id  =  T2.singer_id JOIN concert AS T3 ON T1.concert_id  =  T3.concert_id WHERE T3.year  =  2014
List all singer names in concerts in year 2014.
SELECT T2.name FROM singer_in_concert AS T1 JOIN singer AS T2 ON T1.singer_id = T2.singer_id JOIN concert AS T3 ON T1.concert_id = T3.concert_id WHERE T3.year = 2014
select t2 . name from singer_in_concert as t1 join singer as t2 on t1 . singer_id = t2 . singer_id join concert as t3 on t1 . concert_id = t3 . concert_id where t3 . year = value
List all singer names in concerts in year 2014 .