Our first taste of Haih Or Amortecedor, Os Mutantes' first album in 35 years, was "Teclar," a pastoral excursion that reminded me of the Incredible String Band, among other things, with its flowery group harmonies. This time around, after a set of swoony "sha-la-la"'s, Bia Mendes takes first lead on the quirky duet "Anagrama." The track, co-written by Sergio Dias ...