What makes Queen of Siam by Holy Moses notable?

'Queen of Siam' is significant for its role in shaping the landscape of thrash metal, particularly with its emphasis on female vocals, which was rare at the time. The album received positive critical reception and helped solidify Holy Moses's influence in heavy metal, inspiring subsequent generations of female musicians in the genre. Released in 1986, 'Queen of Siam' marked Holy Moses's debut album, establishing their presence in the nascent German thrash metal scene. The album followed a series of demos that showcased the band's evolving sound, positioning them as pioneers of female-fronted thrash.