Bass guitar in 1958. 1956 saw the appearance at the German trade fair "Musikmesse Frankfurt" of the distinctive Höfner 500/1 violin bass made using violin construction techniques by Walter Höfner, a second generation violin luthier. The instrument is often known as the "Beatle Bass", due to its endorsement and use by Beatles bassist Paul McCartney. In 1957 Rickenbacker introduced the model 4000 bass, the first bass to feature a neck-through-body design in which the neck is part of the body wood. The Fender and Gibson versions used bolt-on and glued-on necks. With the explosion of the popularity of rock music in the
The Beatles: Rock Band levels, while Score Duel requires that both players play at the same difficulty level. Both competitive modes require that players use the same type of instrument. Several "Training" modes are available for "The Beatles: Rock Band", including tutorials for both guitar/bass and drums. Practice modes are instrument-specific and allow players to practice entire songs or individual sections of songs. Guitar, bass, and drum practice modes allow players to slow the tempos of songs; vocal practice mode helps to emphasize the selected harmony portion of the vocals by adding a generated waveform sound to the selected harmony line in tune with