What makes At the Sound of the Bell by Pavlov's Dog notable?

'At the Sound of the Bell' received positive critical reception, particularly for its lush arrangements and David Surkamp's distinctive vocals. The album helped establish Pavlov's Dog as a notable act within the progressive rock genre during the mid-1970s, contributing to their cult following despite limited commercial success. Released in early 1976, 'At the Sound of the Bell' was Pavlov's Dog's second album, following their critically acclaimed debut 'Pampered Menial.' At this point, the band was solidifying their presence in the progressive rock scene, showcasing a more mature sound while continuing to explore complex musical themes.