Given that Google is mentioned "out of the blue", that «also» seems to indicate that what was mistaken is '«vocal»': [You can have vocal synthesis given music a

Given that Google is mentioned "out of the blue", that «also» seems to indicate that what was mistaken is '«vocal»': [You can have vocal synthesis given music as an input, and] Google has also presented models capable of _music_ synthesis [given vocals as an input], such as googlesingsong