CREATE TABLE table_22807 ("Episode title" TEXT, "Subject" TEXT, "Music by" TEXT, "Performed by" TEXT, "First aired" FLOAT)

WHen jaime aff and christine langner are the performers what is the subject?
SELECT "Subject" FROM table_22807 WHERE "Performed by" = 'Jaime Aff and Christine Langner'
SELECT "Subject" FROM "table_22807" WHERE "Performed by" = 'Jaime Aff and Christine Langner'