On this day in music history: October 11, 1975 – “Bad Blood” by Neil Sedaka hits #1 on the Billboard Hot 100 for 3 weeks. Written by Neil Sedaka and Phil Cody, it is the third chart topping single for the New York City born singer, songwriter and musician. Having scored a huge comeback hit earlier in the year with his second number one single “Laughter In The Rain” and with The Captain & Tennille scoring a number one hit with his song “Love Will Keep Us Together”, Neil Sedaka tops off an amazingly successful year with what becomes his biggest chart hit as an artist. During the late 50’s and early 60’s, Sedaka scores a string of big hits while signed to RCA Records including “Calendar Girl” (#4 Pop), “Happy Birthday, Sweet Sixteen” (#6 Pop), and the chart topping “Breaking Up Is Hard To Do” in 1962. When the British Invasion happens in 1964, like many other American artists, Sedaka is bumped from the charts. In spite of many attempts to re-start his career, enters a commercial dry spell that ends up lasting eleven years. While living in London during the 70’s, Sedaka meets John Reid, manager of pop superstar Elton John. John, a long time fan of Sedaka’s work as a musician and songwriter signs him to his Rocket Records imprint (through MCA Records). Writing the song “Bad Blood” with his songwriting partner Phil Cody, with the track being cut in Los Angeles at Clover Studios. Sedaka suggests to his co-producer Robert Appere that the song would work better as a duet suggesting that Elton sing on it as well. John agrees, adding his backing vocals to the track. Released in late August of 1975, the single quickly becomes a smash. Entering the Hot 100 at #66 on September 13, 1975, it literally “rockets” to the top of the chart four weeks later. “Bad Blood” is certified Gold in the US by the RIAA.