CREATE TABLE "out_of_the_blue_discography" (
  "track_no" real,
  "track" text,
  "original_artist" text,
  "soloist_s" text,
  "vocal_percussionist" text,
  "arranger_s" text
);

Question: What is the track whent the vocal percussionist is unknown?
SQL: SELECT "track" FROM "out_of_the_blue_discography" WHERE "vocal_percussionist"='unknown';

Question: Who is the arranger when the vocal percussionist is Alexei Kalveks and Dave Brennan?
SQL: SELECT "arranger_s" FROM "out_of_the_blue_discography" WHERE "vocal_percussionist"='Alexei Kalveks and Dave Brennan';

Question: What is the original artist when the vocal percussionist is Alexei Kalveks?
SQL: SELECT "original_artist" FROM "out_of_the_blue_discography" WHERE "vocal_percussionist"='Alexei Kalveks';