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
The Sour Notes two years recording. Later that year, U.S. television series "Shameless" featured The Sour Notes songs "Do-ers & Say-ers" and "One Fell Swoop" during its second season premiere on Showtime. Following the momentum of sequential releases and gaining a reputation for their prolific output, The Sour Notes were first-round picks at SXSW 2013 and released a cassette-compilation entitled "In The Meanwhile", containing previously released, fan-favorited songs, plus the second single from their upcoming album "Do What May" and a cover of the Wire song "Mannequin". The Sour Notes spent that summer road-testing new songs and were selected to open for The