Antiformalist Rayok[1] (Russian: Антиформалистический раёк), also known as Learner's Manual, without opus number, is a satirical cantata for four voices, chorus, and piano by Dmitri Shostakovich.

The work includes quotations from Andrei Zhdanov's speech at the Conference of the Musicians at the Central Committee of the all-Union Party in Moscow in January 1948.

13 "Babi Yar" (1962), which had provoked enormous disapproval among the Soviet leadership of the Communist Party (the symphony's song text denounces the Soviet anti-Semitism of the time), was probably the main reason why Shostakovich had not considered publishing his satirical cantata.

[5] According to some of the composer's diary notes, it can be assumed that the Soviet poet Yevgeny Dolmatovsky, who had written the lyrics for the cantatas "Song of the forests" op.

The premiere of the work in its original version took place at the Bolshoi Hall of the Moscow Conservatory on the composer's 83rd birthday (25 September 1989).