The iconic artist played classic tunes and answered fan questions in a prerecorded video, in support of Artists4NHS.
The EP’s four songs with unrecorded Bob Dylan and Johnny Cash lyrics first appeared on vinyl for this year’s Record Store Day.
The 13-date jaunt launches on 20 July in Bethel, New York and wraps on 10 August in Seattle, Washington.
Prior to 'Look Now', Costello's last album with The Imposters was 2008's 'Momofuku'.
Despite this setback, Costello has also revealed his long-awaited new album is set for release in October.
The 20-date trek is in support of Costello’s first album since 2010's 'National Ransom'.
Elvis Costello And The Imposters have announced a series of UK and Ireland shows for the summer, while Costello is currently working on a new album.
After making his way around Europe, Elvis Costello is heading back to the states for what’s shaping up to be an impressive summer run around the country.
Elvis Costello is to follow his September concerts in Japan and Singapore by continuing his solo Detour in the Midwest and South of the US in October.