Launchpad currently recommends translating indicator-sound in Ubuntu Artful.

Template "indicator-sound" in Ubuntu Artful package "indicator-sound"

Language Status Untranslated Need review Changed Last Edited By
Cherokee 100.00  100.0% untranslated 27 27 2 2 0 2015-10-17 14:58:47 UTC 2015-10-17
Dakota 100.00  100.0% untranslated 27 27 0 0
Hawaiian 100.00  100.0% untranslated 27 27 0 0
Inuktitut 100.00  100.0% untranslated 27 27 0 0
Lakota 100.00  100.0% untranslated 27 27 0 0
Ojibwe 100.00  100.0% untranslated 27 27 0 0
Spanish 000.00  100.0% translated 0 0 0 2016-01-07 10:16:45 UTC 2016-01-07 Nacho Perea
Tlingit 100.00  100.0% untranslated 27 27 0 0
Yiddish 100.00  100.0% untranslated 27 27 0 0
[ Change your preferred languages... View template & all languages... ]
Key to this table: “Unchanged” means Translated
and “untranslated” means just that, Untranslated

Other versions of indicator-sound in Ubuntu