Voice classification in non-classical music the muscular, aerodynamic, and acoustical conditions in the larynx and in the vocal tract. The subglottal pressure, the driving force in phonation, needs to be adapted in accordance with the laryngeal conditions.” In other words, the very act of singing consistently within one technique or another literally causes the voice to physically develop in different ways, and thus change the timbre of that particular voice. Another example would be a coloratura soprano in opera. This is not only the highest female voice in opera, but also distinguished by its ability to do vocal acrobatic leaps, fast vocal runs and trills,
This Is What the Truth Feels Like lyrics such as: "They're all gonna say I'm rebounding, so rebound all over me". "This Is What the Truth Feels Like" features a range of genres; including pop, reggae, disco and dancehall, R&B, hip hop and "punky" electro-pop music. Leah Greenblatt of "Entertainment Weekly" viewed it as "an album so directly torn from Stefani's recent, much-documented romantic upheavals that it could be called 'The Ballad of Blake and Gavin". Stephen Thomas Erlewine of AllMusic added that: "Stefani spends roughly half of the record singing breezy songs of liberation." Sal Cinquemani of "Slant Magazine" commented: "While an artist converting personal tragedy