Evolution, is the name of Journey's fifth studio album. It was released in April 1979 on the Columbia Records label.
The album was their highest charting album to date, selling three million copies in the United States. They retained Roy Thomas Baker as producer but drummer Aynsley Dunbar was replaced with Steve Smith, formerly with Ronnie Montrose's band.
Evolution features their first top 20 hit, "Lovin', Touchin', Squeezin'", which shared the melody, and some of the lyrics, of Sam Cooke's "Nothing Can Change This Love." "Lovin', Touchin', Squeezin'" reached #16 in the United States. "Just the Same Way" featured original lead vocalist Gregg Rolie along with Steve Perry. A cover of "Lovin', Touchin', Squeezin'" appears on Dream Theater's album A Change Of Seasons.