"Mr. Blue" is a popular song written by DeWayne Blackwell that was a hit for The Fleetwoods, reaching number one on the Billboard Hot 100 in November 1959, giving the group its second chart-topping hit of the year. Roy Lanham played guitar on the track, and Si Zentner played the trombone. Chart positions All-time charts Other versions The song was covered in 1959 by David MacBeth, whose Joe Meek produced version reached number 18 on the UK Singles Chart, spending one week in the Top 20. See also List of Hot 100 number-one singles of 1959 (U.S.) References 1959 singles The Fleetwoods songs Garth Brooks songs Billboard Hot 100 number-one singles Cashbox number-one singles Songs written by Dewayne Blackwell 1959 songs 1950s ballads Pop ballads