"the line" is a song from the foo fighters ninth studio album "concrete and gold", and was the third song released ahead of the album's release, after run" and "the sky is a neighborhood". it was released on september 7, 2017, some journalists describing it as a single, and others just describing it as a promotional song. the song was both released for music streaming, and released as an instant grat download - allowing a person who pre-orded the album, to instantly receive the song prior to the album's release. in october 2017, the song was featured in commercials for tbs's post-season major league baseball coverage. on may 1, 2018, the song was released as the album's third single.