Million-seller backed by Mantovani Orchestra. He remained popular for the rest of the decade.

US Country singer and yodeller.  Held record for most consecutive weeks at No 1 until 1991 - 36 years!

Oscar-winning song from the Doris Day film "The Man Who Knew Too Much". Her recording and film career lasted well into the 60s.

Canadian who wrote the song himself about his kid brother's baby-sitter. His success continued into the 70s.

They had several hits in US, but this rock 'n' roll classic was their only hit in the UK.

Written by Lionel Bart ("Oliver!"), it was Cliff's first of 14 No 1s spanning 40 years.

Cliff Richard's backing group.  Had as much 60s success as their "boss".

Aged only 14 when she hit the top (youngest female to do so). Was a major star for a couple of years.  

Actor who sang on a 60s tv soap. Producer, Joe Meek's 1st No 1.

Yodelling UK-born Australian who was a top-rated singer for a few years.

Another Liverpool band.

Famous only for having a girl drummer. Another Joe Meek production.

Celebrated as the definitive Hippie anthem. He became a politician, she became an international star.

Their 11th consecutive No 1; a feat never rivalled. Their next release stalled at 2.

Flower Power anthem which encapsulated the "summer of love". Written by John Philips of Mamas & Papas.

Despite member deaths, they continued for another three decades and charted until 1996.

This consolidated their 60s success before fading, to become even bigger in the late 1970s.

One-hit Wonders who wrote this song, predicting our way of life in the future.

He was reviving his career in Las Vegas, and this is a live recording from his show. At this point he was still one behind the Beatles.

Chosen as Tony Blackburn's record of the week, it sold by the bucket load, and was her first solo No 1.

Shock-rock act from Arizona who used instruments of death and live snakes on stage.

His popularity was soaring at this time, but his next No 1 was 3 years away.

A revival from 1957 - he got one more No 1 in 1974, as part of the Osmonds.

Last No 1, either as group or solo, for the Osmond family. In total they amassed 26 UK hits in 4½ years.

Philadelphian satin soul group who charmed the UK with a succession of smooth ballads.

One of his classic anthems, which returned to No 3 the following year, after use in a tv documentary series.

The British legend had scored five No 1s in the US before this one. His next UK No 1 was 14 years away.

This classic dance track was their only US No 1. Still heard on radio in to the 2000s.

Soul/funk act from Detroit, formed in 1964. Top US soul hit of 1977. One-hit Wonders.

Released just before the King died on 16/8/77, it shot to No 1 as a result. It put him equal with the Beatles, each amassing 17 No 1 hits.

Led by Lionel Richie who wrote the song, they had considerable success until Richie went solo in 1982.

After a lean time through most of the 70s, this first No 1 for 11 years started run of Top 10 hits throughout the 80s.

Continues the story of Major Tom from Bowie's "Space Oddity" No 1.

They were immensely popular with new wave fans, but never really crossed over to mainstream popularity, as Blondie did.

Scottish folk singer who dressed and made up Japanese style to perform her only Top 40 hit.

Marc Almond was the main component of this early New Romantic duo. Best selling single of 1981, and was also a No 5 hit in 1991.

Most of the group had been replaced since "Geno" in 1980, but success was not sustained. Best-selling single of 1982.

US rock band with the song from Sylvester Stallone's boxing movie, "Rocky III".

Good-time disco hit from the band led by Harry Wayne 'KC' Casey.

British mixed race reggae band with a song written in the 1960s by Neil Diamond.

Despite Wham! success, George issued this solo track, which remains a love song classic.

A No 1 hit for Sonny & Cher exactly 20 years earlier. This collaboration also had a No 6 hit in 1988.

The video was featured on Live Aid and the record went straight to No 1 upon release. All royalties went to the Live Aid Trust for famine relief.

Jamaican, who had reggae hits in the 70s. This lovers' rock ballad was his only major success.

Stock, Aitken & Waterman prodigy with a strong soulful voice. Best selling single of 1987. His next 7 singles made the Top 10.

London singer Yasmin Evans, who started as a vocalist with Coldcut. Her initial popularity soon waned.

Yorkshire DJs who put together a string of old hits (including Glenn Miller's "In The Mood"), overlaid with a dance beat.

Kids' tv presenter Timmy Mallett with a remake of Brian Hyland's 1960 hit.

With this, the Canadian rocker broke the record (held since 1955) for the most consecutive weeks at No 1. This was the theme from the Kevin Costner film "Robin, Prince of Thieves".

Unusually for dance music production teams, a second chart topper was achieved. They scored 9 Top 10 hits 1990 to 1994.

German-based multi-national dance music act with lead vocals from Tania Evans. Success was brief.

From the film "Four Weddings & A Funeral". They successfully continued until the end of the decade, when they broke up. The song was written by Reg Presley of The Troggs (No 5, 1967).

Brit-Pop band that first charted in 1990. The media encouraged rivalry with Oasis, and went into over-drive when this hit kept "Roll With It" from the top.

The beginning of the "girl power" sensation. The five girls became the most successful female group of the 1990s, and were set to rewrite the record books.

This was the theme from the movie of the same name, in which he starred. He went on to have a further six Top 10 hits by the end of 1999.

Song comes from the Andrew Lloyd Webber musical "Whistle Down The Wind".

Brit Award-winning Welsh band who scored 21 hits 1991-1999, performed at Cardiff on Millennium night, and were at No 1 again in early 2000.

The former Spice Girl's first single got to No 2, but this Latin track cashed-in on the mood of the moment.

He was born and raised in Germany of a Sicilian mother and African father. Another of the Latin hits filling summer 1999.

Italian DJ/producer with a track based on an old 1970's hit (Love Is You), with new vocals by Sophie Ellis-Bextor. She moved on to much solo success.

From her album of the same title. This put her fourth in the most-number-ones category, behind only Elvis, The Beatles (17 each) and Cliff (14).

The British boy band jumped straight in at the top with the first track taken from their album "Kingsize".

British boy bands remained prevalent, as Five were replaced by the band Blue.

UK ten-strong all-male act from north-east London. Specialising in pop/R&B with garage influences. This debut single charged straight to the top.

The second time the female trio remade a former No 1 and took it to the top themselves. This was Blondie's 1980 chart topper.

Blu is an Urban R&B songstress from Providence, Rhode Island. Sean Paul is a Jamaican-born performer whose musical style is a mix of R&B and Ragga.

A recording made in 1977, released in 1979, when it reached a lowly 42. Picked up by club DJs, and then used by Sky TV for their Premiership football ads, it rocketed to the top spot 26 years later!

First time at the summit for sister of Daniel, following her No 3 hit three months earlier.

Back at the top with their follow-up to the previous March's No 1.

A quick return to the top for the veteran Brit Pop band, with Noel taking lead vocals for a change.

Back to the top for an extended run. Columbian-born Shakira first hit the UK charts in March 2002 with "Whenever Wherever" which peaked at No 2. She is joined on her debut chart topper by ex-Fugees vocalist Wyclef Jean.  

It's three years since she was at the top in the UK. She is still part of US band "Destiny's Child". New Yorker, Jay-Z is a top-rated rap/hip-hop artist.

Kanye is a rapper from Altlanta, Georgia, and has previously been as high as No 2 in the UK with "Gold Digger" in 2005.

Sean is a 17 year-old, born in Miami, but brought up in Jamaica. This debut single is from his debut album.