There is absolutely no obligation, especially if you're specifically touring to showcase new work. And two can play this game: it is not-so-tacit, but very "we

There is absolutely no obligation, especially if you're specifically touring to showcase new work. And two can play this game: it is not-so-tacit, but very "well-understood" that some artists don't enjoy playing old hits. Insisting on it on the grounds of ignorance (by reducing an artists to one or two of their biggest hits, as another poster said) or in the grounds of "but I wanted to hear it" is more disrespectful than what you're complaining of.