Assertion: drum's shell | /r/HasProperty | 6 ply birch
Facets:
Source sentences:
text: Later shells (early 1980s) were 6 ply birch (no reinforcement rings) and came in standard sizes (non-power depths) until Tama recognized the trend for power toms with the influence of hair rock and metal in the early 1980s.
text: Later shells (early 1980s) were 6 ply birch (no reinforcement rings) and came in standard sizes (non-power depths) until Tama recognized the trend for power toms with the influence of hair rock and metal in the early 1980s.