April 9 – Oldest known sound recording, Dancing Queen


The world’s oldest known sound recording is made in Paris on the phonautograph (patented by French printer, bookseller Leon Scott on March 25, 1857).
▷Studio 360:Phonautogram▹
This 10-second recording of a singer performing ‘Au Clair de la Lune’ is the earliest known recording of a human voice to be played back.
▷NYT story▹ ▷Birth of the recording industry▹ ▷First Sounds▹


Swedish pop group ABBA‘s song Dancing Queen tops the charts in the US.
Within a year after its release on Aug. 16, 1976, Dancing Queen has topped the singles charts in at least 16 different countries from Sweden to Japan. It’s included on 1976 int’l #1 album Arrival (the UK’s best-selling in 1977). It becomes the group’s signature song, and has been covered googol times. (Reznor?) Dancing Queen 
It’s also heard in the 1999 musical and 2008 British-made film Mamma Mia! starring Meryl Streep.
In 1993 Anni-Frid Lyngstad sings an a capella version for Swedish Queen Silvia’s 50th birthday. Nice. The band’s final album The Visitors is rereleased in a Deluxe format on Apr. 23, 2012.
 ( Website ▷About:ABBA’s best▹
▷Classic Bands: Radio’s most-played artists▹  ~ ABBA