Mysterious Traveller is the fifth album of Weather Report released in 1974. This album marked the end of bassist Miroslav Vitouš's tenure with the band. Vitouš was replaced by Alphonso Johnson. Another addition to the line-up is drummer Ishmael Wilburn. Greg Errico was the drummer for the tour between the previously released Sweetnighter and this album, but declined an invitation to be a permanent member of the band. The album peaked at #2 in the Billboard Jazz album chart, #31 in the R&B album chart, and #46 in the Billboard 200 chart.