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 table_191105_2 ( performed_by VARCHAR, music_by VARCHAR, episode_title VARCHAR )

### Question ###
When conjunction junction is the episode title and the music is by bob dorough who is the performer?

### Accurate SQL ###

SELECT performed_by FROM table_191105_2 WHERE music_by = "Bob Dorough" AND episode_title = "Conjunction Junction"