sentences:  Smaller string sections are sometimes used in jazz, pop and rock music and in the pit orchestras of musical theatre.The most common seating arrangement in the 2000s is with first violins, second violins, violas and cello sections arrayed clockwise around the conductor, with basses behind the cellos on the right.The first violins are led by the concertmaster (leader in the UK); each of the other string sections also has a principal player (principal second violin, principal viola, principal cello and principal bass) who play the orchestral solos for the section, lead entrances and, in some cases, determine the bowings for the section (the concertmaster/leader may set the bowings for all strings, or just for the upper strings).