Yes, Astrovamps could be considered a goth band because they play Deathrock and Gothic Rock, which are among the core subgenres of goth music. Albums like Savage Garden, Blood And Flowers, and Manifesto are examples of their goth sound.
Astrovamps is located in United States, California, Los Angeles, active in 1989 — 2007. You can find more information about Astrovamps on their GothDB band page.
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