"I'm In the Mood for Dancing" is a single by the Irish pop group, The Nolan Sisters. Originally released in November 1979, the song became a top three hit in the UK in February 1980. A blend of pop and disco, it has since become synonymous with the group and remains their biggest hit. It was also a hit in many countries around the world such as New Zealand and Japan, where it was a number one hit.

The song was originally recorded as part of the Nolan Sisters' first mainstream pop album, simply titled Nolan Sisters in 1979. It was written by Ben Findon, Mike Myers and Bob Puzey, and featured lead vocals by group member Bernie Nolan.

The group recorded a promotional video for the song, which featured youngest sister Coleen, even though she was not an official member of the group at the time and was not featured on the recording. Soon after the release of this song, the group changed their name to The Nolans and Coleen became a full-time member, replacing eldest sister Anne.

The song became the second single from the album, following the group's first UK top 40 hit, "Spirit, Body and Soul" some weeks earlier. After a slow start in the charts, the single became their first top 10 hit in January 1980, eventually peaking at number 3 during a 15-week chart run. The single was certified Gold by the BPI.

"I'm In the Mood for Dancing" charted well elsewhere, particularly so in Japan, where it reached number 1 - a rarity for English-language songs at the time, and began a run of success for the group there. Released as 「ダンシング・シスター」 (literal romanisation: "Dancing Sister(s)"), it remained at no. 1 for two weeks and sold 670,000 copies. Eventually, the group recorded a version of the song in Japanese.

The group have re-recorded "I'm In the Mood for Dancing" a number of times, with two further single releases of the song in the UK. Firstly in 1989 and again in 1995 - both times reaching the lower regions of the charts. In 2009, The Nolans reunited and embarked on a UK and Ireland tour in honour of the 30th anniversary of "I'm In the Mood for Dancing", with the tour and accompanying album titled I'm In the Mood Again.

1979 single

1989 single

1995 single

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