But there was something different about this tribe, the Tlaxcala, and when the music ceased and the chatter resumed, the difference became clear: They spoke exclusively Spanish. ------------ “Hispanic is not a race, ” said Mr. Quiroz, whose ancestors were the Quechua people, of the Central Andes. “Hispanic is not a culture. Hispanic is an invention by some people who wanted to erase the identity of indigenous communities in America.” “We don’t believe we have to accept this identity just because we speak Spanish,” Mr. Quiroz added.