Listen to The Steel Step, Op. 41bis: No. 4, Factory online. The Steel Step, Op. 41bis: No. 4, Factory is an Instrumental language song and is sung by Gennady Rozhdestvensky and Grand Symphony Orchestra of All-Union National Radio Service and Central Television Networks. The Steel Step, Op. 41bis: No. 4, Factory, from the album Prokofiev: Waltz Suite, The Steel Step Suite, was released in the year 1967. The duration of the song is 2:59. Download Instrumental songs online from JioSaavn.