Acids in wine responsible for the sour taste of vinegar. During fermentation, activity by yeast cells naturally produces a small amount of acetic acid. If the wine is exposed to oxygen, "Acetobacter" bacteria will convert the ethanol into acetic acid. This process is known as the “acetification” of wine and is the primary process behind wine degradation into vinegar. An excessive amount of acetic acid is also considered a wine fault. A taster's sensitivity to acetic acid will vary, but most people can detect excessive amounts at around 600 mg/l. Ascorbic acid, also known as vitamin C, is found in young wine grapes
What Goes Around... Comes Around acoustic version of "Heart-Shaped Glasses (When the Heart Guides the Hand)", followed with an acoustic cover of "What Goes Around... Comes Around". The Manson cover does not include the interlude. On May 28, 2007, Dutch singer Esmée Denters posted a version of the song on YouTube accompanied by Justin Timberlake on piano and backing vocals. At the conclusion, he says, "She sings my song better than me." Timberlake later produced Denters' debut album, "Outta Here". French singer Myriam Abel, the winner of Nouvelle Star 3, also recorded a non-commercial cover of "What Goes Around.../...Comes Around" with a Raï influence, accessible