The plagal cadence, sometimes known as the Amen cadence from ecclesiastical use, is the progression from the chord of the subdominant to the tonic, IV - I.
Recently, you know, within the last 15 to 20 years, they have started to be fished for Asian tonics, and as a result of this, we've seen manta populations crashing across the globe.
Hunting and kindred outdoor delights had kept down the fat and hardened his muscles; and to him, as to the cold-tubbing races, the love of water had been a tonic and a health preserver.
At the time, coca leaf extract mixed with wine was a common tonic, and Pemberton's sweet brew was a way to get around local laws prohibiting the sale of alcohol.