The Mixtures "In the Summertime" and—as a result of the 1970 radio ban, during which many Australian radio stations refused to play Australian and British music released by major labels—received much more airplay than had initially been expected for a group on a small record label. The single went to #1 in Australia for six weeks. They followed up with "The Pushbike Song" (produced by David Mackay), which went to #1 in Australia for two weeks, hit #2 in the UK Singles Chart, and went to #44 on the "Billboard" Hot 100 in the U.S. after being released on Sire Records. The
The Virgin Book of British Hit Singles information. The first edition of the book lists every act to have a chart hit in the UK top 75 singles chart between 1952-2008 (first quarter of the year). Unlike its predecessor it only lists the chart weeks spent in the top 40 if the single has ever charted high enough during its chart run to do so, while Guinness listed all weeks spent in the top 75. Selected acts have a mini-biography with their entry in the book, while other sections of the book have reports on the charts, such as how they have changed due to the event