list <str> [<locate>] -> fetch_list
listall [<str>] -> fetch_database
listallinfo [<str>] -> fetch_database
lsinfo [<str>] -> fetch_database
search <locate> -> fetch_songs
update [<str>] -> fetch_item
list <str> [<locate>] -> fetch_list
listall [<str>] -> fetch_database
listallinfo [<str>] -> fetch_database
lsinfo [<str>] -> fetch_database
search <locate> -> fetch_songs
update [<str>] -> fetch_item