Some learn just the basics. "Hello honey," "cheap price" and "transport" as local hawkers call out during the day.
The Balinese offer what they think tourists want and sometimes join in on what they see.
"If you're going to San Francisco, be sure to wear some flowers in your hair," sings the local disc jockey at a popular bar when asked about foreigners in Bali.
An Indonesian band belts out classic American tunes requested by the crowd. Tourists grab the microphone and sing along. Others stand by and balance bottles of beer on their heads. Local groupies jump up and down, blending in with the mass.
"I think they are like that at all bars," said Ketut of foreigners. "They are happy and having fun."
Night after night, new tourists arrive -- and add to lasting impressions foreigners before them may have left behind.