Ocean drum

Ocean drum is an idiophone.

Also recorded as Surf drum.

Overview

Musical instrument.

In detail

Ocean drum is an idiophone.

Sources

Each source is named with the standing the house places on it, so the evidence can be weighed rather than taken on trust.

reference work · Reputable secondary · Wikipedia
“Ocean drum”, English Wikipedia, consulted as further reading
Consult the source
reference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q3075428: Ocean drum
Consult the source