Led Zeppelin II is the second album from the band Led Zeppelin. It was released on October 22, 1969, it was recorded in 1969 in many different studios. The album sounds a lot like the first album with a few hard rock songs and blues covers, but they also did some new things with the love song "Thank You" and the drum solo "Moby Dick". The most famous song from the album is "Whole Lotta Love", the riff is one of the most well known in the rock genre. Guitarist and producer Jimmy Page worked with engineer Eddie Kramer to create many unusual sounds, for example, on "Whole Lotta Love", they used a technique known as backward echoing.