• brilliant shading power
• superior umami
• excellent terroir (which by definition implies an uncommon tea)
• dreamy frothability, and
• a long, smooth completion that contains crema to the absolute last drop.
The blend of those five attributes is an uncommon event; most matcha has a dull shading, sharpness rather than umami, is mass-created, structures feeble crema, in the event that it structures it by any means, and has practically zero completion.