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_28715942_5 ( original_artist VARCHAR, vocal_percussionist VARCHAR )

### Question ###
What is the original artist when the vocal percussionist is Alexei Kalveks?

### Accurate SQL ###

SELECT original_artist FROM table_28715942_5 WHERE vocal_percussionist = "Alexei Kalveks"