Under the Anheuser Bush was an early-1900s popular song commissioned by the Anheuser-Busch brewery. Its name is an obvious pun on the company name. In fact, the German word "Busch" is equivalent to the English word "bush".
The chorus, as sung by Billy Murray, is as follows. In addition to the instrumental reference, the line "come and have a stein or two" is also sung to the first bar of the German folk standard "Ach du lieber Augustin":
An instrumental version of the song appears in the MGM movie Meet Me in St. Louis where Judy Garland is whirled around the dance floor by a number of prospective beaus.
In England, Florrie Forde popularized Down at the Old Bull and Bush, a version of this song referring to the Hampstead pub of that name.