Question: Shape Shifter is the twenty-first studio album (thirty-sixth album overall) by who, "Gypsy Queen", a Szabó hit from 1966 covered by Santana in 1970 as a medley with Fleetwood Mac's "Black Magic Woman", Fleetwood Mac are a British-American rock band, formed in London in 1967?
Sentence (from "Shape Shifter (album)"): It is also the first album since 1992's "Milagro" that does not feature guest singers in any of the songs, a style that characterized Santana's albums since "Supernatural".
Relevant evidence: No