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With a four out of five rating, Simon Gage of Daily Express described Song Bird as being "filled with gorgeous songs that showcase her four-octave range to full effect." John Rockwell of The New York Times stated: "Deniece Williams's “Song Bird” is a most appealing album for anyone who likes varied, skillful and sophisticated singing in the black pop area." He also added "One can't be more stylistically precise than that because it is a characteristic of Maurice White's production and Miss Williams's virtuousically diverse singing that her disk ambles all over the stylistic map. But instead of sounding diffuse, it sounds refreshingly varied." Phyl Garland of Stereo Review commented: "Here she is fitted out with material that is even better than that on her fine first album. Producer Maurice White poured all of the proper stuff into this one; the arrangements are imaginative, and several name musicians supply smooth, unobtrusive instrumental backing. Ms. Williams is also a songwriter of notable talent, for she helped write some of the best tunes here."