Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE torrents ( groupname text, totalsnatched number, artist text, groupyear number, releasetype text, groupid number, id number )
TABLE: CREATE TABLE tags ( index number, id number, tag text )

### Question ###
Which tag is used for which release title?

### Accurate SQL ###

SELECT T1.tag, T2.groupname FROM torrents AS T2 JOIN tags AS T1 ON T1.id = T2.id