[lore concepting] "Moon Harp"

Tier #1 moves - easiest tricks with a "moon harp".

""Moon harp", or "aldram" - exceptionally complex tools to call and operate the Echo, used both by Singers and those who can at least make a required tune.
Usually, it's a sphere, entombed in twists of Calligraphy-etched plating. It resonates with owner's voice - and cause Echo effects even in hands of those who has not Voice itself within. Being a catalyst of sorts, "harp" can't -create- something, but, along with required Calligraphy and sounds aligned, it can copy what is buried within "etched" plating.
Skilled enough smith can change these plating, turning aldram into a very flexible tool."

"[...]It was once merely a music instrument, in days of yore - a mix between a chime and ratchet.
As time went on, with what we learned and as we mastered what insight we cad in Echo and our Voices, these chimes became tools to serve our desires. And from that