Reis has found as much as $150 in his tip jar after a day of performances there.

在那里表演了一天后，里斯在他的小费罐子里发现了多达150美元。

This was an important event in San Francisco, California. Many famous rock musicians of the nineteen sixties gathered there for three days of performances.

这个音乐节是加州旧金山的重要的活动。很多20世纪60年代的著名摇滚音乐家都聚集于此进行为期三天的表演。