[2] Two of the most prominent exponents of the outlaw style, Waylon Jennings and Willie Nelson,[3] collaborated on the longest-running number one of the year, "Mammas Don't Let Your Babies Grow Up to Be Cowboys", which spent four weeks atop the chart; each also reached number one individually.
[4] Kenny Rogers also achieved three number ones, as he topped the listing with "Love or Something Like It", "The Gambler" and "Every Time Two Fools Collide", a collaboration with Dottie West.
Another artist linked to the outlaw movement who topped the chart in 1978 was Johnny Paycheck,[5] who reached number one with "Take This Job and Shove It", which would go on to become his most successful and best-known song.
[6] In May and June, two vocal groups which would both go on to be inducted into the Country Music Hall of Fame reached number one for the first time: The Statler Brothers with "Do You Know You Are My Sunshine",[7][8] and The Oak Ridge Boys with "I'll Be True to You".
[12] In April, Dottie West reached the top of the chart for the first time with her duet with Kenny Rogers.