Tonic water and other tropical posts mixed the powder with soda and sugar, and tonic water was created. The first commercial tonic water was produced in 1858. The mixed drink gin and tonic also originated in British colonial India, when the British mixed their medicinal quinine tonic with gin. Since 2010, at least four tonic syrups have been available in the US. Consumers add carbonated water to the syrup to make tonic water, allowing drinkers to adjust the flavor intensity. Medicinal tonic water originally contained only carbonated water and a large amount of quinine. However, most tonic water today contains less quinine
Double tonic including Beck's "Puttin It Down". Double tonic patterns may be classified as beginning on the lower ("Sumer is Icumen in", "The Woods so Wild", "The Irish Washerwoman") or upper (most Scottish tunes, passamezzo antico, "Roun' de Corn, Sally", "Shallow Brown", "Mkwaze mmodzi") note and may repeat open endedly, though they are often closed through a tonic close, as in : They are also often varied through a binary scheme ending on the dominant then tonic, as in: or, A variation of this last progression is the passamezzo antico. Double tonic A double tonic is a chord progression, melodic motion, or