The Smile only release their debut album A Light For Attracting Attention last Friday (13 May), and onn Monday (16 May) the trio debuted a new song at their European tour opener in Zagreb, Croatia.
According to a YouTube video, the song is titled "Friend Of A Friend", and was written earlier that day.
The Smile also performed a track titled "Just Eyes And Mouth", which Thom Yorke said to the crowd is a song that "didn't make it onto the record but it's really good," as well as Yorke's 2009 song "FeelingPulledApartByHorses".