Many people think that drinking juices will help with hydration, but unfortunately that is not quite true. Fruit juice and fruit drinks are also high in carbohydrates, which can lead to an upset stomach and exacerbate dehydration symptoms. Fruit juice can actually stop the body from absorbing water. Orange juice in particular can make singing harder due to the thick phlegm the body produces in order to digest it.
Cole Porter’s standard, “I Love You,” sung below by Sarah Vaughan, provides a broad, sweeping plunge into the major seventh interval. Listen as Vaughan sings “Love” and “You” after briefly holding on the “I” around 0:21.