CREATE TABLE table_74312 ("Track no." FLOAT, "Track" CLOB, "Original Artist" CLOB, "Soloist ( s ) " CLOB, "Vocal Percussionist ( s ) " CLOB, "Arranger ( s ) " CLOB)

Who were the original artist(s) when jack stamp arranged?
SELECT "Original Artist" FROM table_74312 WHERE "Arranger(s)" = 'Jack Stamp'
SELECT "Original Artist" FROM "table_74312" WHERE "Arranger(s)" = 'Jack Stamp'