Laughing Gas (instrumental) Laughing Gas (instrumental) "Laughing Gas" was a song performed by Quiet Riot at all the live performances while Randy Rhoads played with the band. It was never recorded onto an album until a live bootleg performance was enhanced (with rerecorded vocals) and placed on "The Randy Rhoads Years". The improvised solo was just over 6 minutes long and contained clips from future songs of Ozzy Osbourne including, "Goodbye to Romance", "Mr. Crowley", "Dee", and "Crazy Train". The solo outlined Randy's talent and productivity level at such a young age. This solo also contained a reference to William Tell Overture and
Chemical substance very easy to remember or cite accurately. Also it is difficult to keep the track of them in the literature. Several international organizations like IUPAC and CAS have initiated steps to make such tasks easier. CAS provides the abstracting services of the chemical literature, and provides a numerical identifier, known as CAS registry number to each chemical substance that has been reported in the chemical literature (such as chemistry journals and patents). This information is compiled as a database and is popularly known as the Chemical substances index. Other computer-friendly systems that have been developed for substance information, are: SMILES