The UK Singles Chart is one of many music charts compiled by the Official Charts Company that calculates the best-selling singles of the week in the United Kingdom. Before 2004, the chart was only based on the sales of physical singles. This list shows singles that peaked in the Top 10 of the UK Singles Chart during 1977, as well as songs which peaked in 1976 and 1978 but were in the top 10 in 1977. The entry date is when the song appeared in the top 10 for the first time (week ending, as published by the Official Charts Company, which is six days after the chart is announced). One-hundred and seventeen songs were in the top ten in 1977. Eleven singles from 1976 remained in the top 10 for several weeks at the beginning of the year, while "It's a Heartache" by Bonnie Tyler and "Love's Unkind" by Donna Summer were both released in 1977 but did not reach their peak until 1978. "Portsmouth by Mike Oldfield, "Living Next Door to Alice" by Smokie and "Dr. Love" by Tina Charles were the songs from 1976 to reach their peak in 1977. Nineteen artists scored multiple entries in the top 10 in 1977. David Soul, Boney M., Deniece Williams, the Sex Pistols and Darts were among the many artists who achieved their first UK charting top 10 single in 1977. The 1976 Christmas number-one, "When a Child Is Born" by Johnny Mathis, remained at number-one for the first week of 1977. The first new number-one single of the year was "Don't Give Up on Us" by David Soul. Overall, eighteen different songs peaked at number-one in 1977, with ABBA and David Soul (2) having the joint most songs hit that position. Background Multiple entries One-hundred and seventeen singles charted in the top 10 in 1977, with one-hundred and seven singles reaching their peak this year. Nineteen artists scored multiple entries in the top 10 in 1977. Boney M. and Showaddywaddy shared the record for most top 10 hits in 1977 with four hit singles each. Showaddywaddy's collection including the number-one single "Under the Moon of Love" from the end of the previous year, which remained in the top 10 for the first three weeks of 1977. Boney M. made their top 10 debut in January with the number six hit "Daddy Cool". American-British actor and singer David Soul made