Where these Frequency Weightings are defined. All of these frequency weightings are defined in the standards to which a noise measurement instrument is designed. For example, the frequency weightings used on a sound level meter will be defined in IEC 61672:2003 (BS EN 61672-1:2003 ).
It's here! Sam Smith released the theme song to Spectre, titled Writing's on the Wall, Friday, and he is pretty excited about it. The British crooner shared a link on Twitter and followed up shortly after by declaring it a dream come true. I have been dreaming of this moment for a long long time, he wrote.
1969: The Brady Bunch. Creator Sherwood Schwartz gives the facts in the opening theme again, this time in collaboration with series composer Frank De Vol. Three different versions of the theme song were recorded for the show's first three seasons. The first version was recorded by the sunshine pop group the Peppermint Trolley Company, the second season featured the song as recorded by the Brady boys, peformed by Christopher Knight, Barry Williams and Mike Lookinland.