It has been argued that Joéo Donato was the first to play a bossa nova rhythm on a recording (playing the accordian on "Eu Quero Um Samba" with Os Namorados), but whilst his contemporaries from the early years of bossa, such as Gilberto and Jobim, were happy to expand on the traditional bossa sound in later years, Donato went a number of steps further. The first track "Chorou, Chorou", from a fabulous album titled "Quem é Quem" is not even the best track off the album, but the opening bars give an idea of what the whole album is about. It's playful in melody, often subtly funky in rhythm and over all, a great album. This particular album also contains my favourite interpretation of "A Rã" by Donato. I'll have to recommend more songs from this album at a later time, because it really is great.