"I Didn't Know" is a song by Turkish singer, producer and television presenter Serhat.
The song was composed by Olcayto Ahmet Tuğsuz with the lyrics written by Nektarios Tyrakis.
It was released on 9 March 2016, and represented San Marino in the Eurovision Song Contest 2016.
[2] The song was performed by Serhat, who was selected internally by the Sammarinese national broadcaster San Marino RTV (SMRTV) to represent San Marino in the 2016 contest in Stockholm, Sweden.
Serhat represented San Marino performing in the first semi-final held on May 10, but failed to qualify to the May 14, 2016 final.