sentences:  They were Roberto Carlos, Erasmo Carlos and Wanderléa, with other bands and musicians appearing on the show as guests.The style became popularly known as "iê-iê-iê", a term that, like French yé-yé, is most likely based on the frequent "yeah" cries heard in songs of the period (for instance, the Beatles' "She loves you/Yeah yeah yeah").Iê-iê-iê was often considered a lesser genre, inferior to the more sophisticated bossa nova and MPB music of the period.