[1] Hannah Rickard, with whom Francis Rossi collaborated on their 2019 duet album We Talk Too Much, can be heard as violinist and background singer.

[2] Upon its initial announcement, Aquostic II was promoted with the subtitle "One More for the Road", taken from the title of the band's ongoing acoustic tour and one of the album's original compositions.

The album is the band's second - and second consecutive - acoustic record and is a direct sequel to 2014's commercially and critically successful Aquostic – Stripped Bare.

[5][6] Barney Harsent of The Arts Desk called the album "a fun addition" to the band's catalogue, highlighting "That's a Fact", "Roll Over Lay Down", "In the Army Now" and "Ice in the Sun" as songs that benefitted from the new arrangements, and said it was a reminder that "Status Quo are gifted masters of their craft.

[7] Writing for Classic Rock, David Quantick stated that "the results are just as effective" as on the previous Aquostic album, and that they are "never less than delightful to the ear".