Birmingham is a city and metropolitan borough in the West Midlands, England. It is the second-largest city, urban area and metropolitan area in England and the United Kingdom, with roughly 1.1 million inhabitants within the city area, 2.9 million inhabitants within the urban area and 3.6 million inhabitants within the metropolitan area. The city proper is the most populated English local government district. Birmingham is commonly referred to as the "second city of the United Kingdom".

The City of Birmingham Symphony Orchestra's home venue is Symphony Hall. Other notable professional orchestras based in the city include the Birmingham Contemporary Music Group, the Royal Ballet Sinfonia and Ex Cathedra, a Baroque chamber choir and period instrument orchestra. The Orchestra of the Swan is the resident chamber orchestra at Birmingham Town Hall, where weekly ecitals have also been given by the City Organist since 1834.

The Birmingham Triennial Music Festivals took place from 1784 to 1912. Music was specially composed, conducted or performed by Mendelssohn, Gounod, Sullivan, Dvořák, Bantock and Edward Elgar, who wrote four of his most famous choral pieces for Birmingham. Elgar's The Dream of Gerontius had its début performance there in 1900. Composers born in the city include Albert William Ketèlbey and Andrew Glover.

Jazz has been popular in the city since the 1920s, and there are many regular festivals such as the Harmonic Festival, the Mostly Jazz Festival and the annual International Jazz Festival.

Birmingham's other city-centre music venues include Arena Birmingham (previously known as the National Indoor Arena and the Barclaycard Arena), which was opened in 1991, O2 Academy on Bristol Street, which opened in September 2009 replacing the O2 Academy in Dale End, the CBSO Centre, opened in 1997, HMV Institute in Digbeth and the Bradshaw Hall at the Royal Birmingham Conservatoire.

Birmingham Repertory Theatre is Britain's longest-established producing theatre, presenting a wide variety of work in its three auditoria on Centenary Square and touring nationally and internationally. Other producing theatres in the city include the Blue Orange Theatre in the Jewellery Quarter; the Old Rep, home stage of the Birmingham Stage Company; and @ A. E. Harris, the base of the experimental Stan's Cafe theatre company, located within a working metal fabricators' factory. Touring theatre companies include the politically radical Banner Theatre, the Maverick Theatre Company and Kindle Theatre. The Alexandra Theatre and the Birmingham Hippodrome host large-scale touring productions, while professional drama is performed on a wide range of stages across the city, including the Crescent Theatre, the Custard Factory, the Old Joint Stock Theatre, the Drum in Aston and the mac in Cannon Hill Park.

The Birmingham Royal Ballet is one of the United Kingdom's five major ballet companies and one of three based outside London. It is resident at the Birmingham Hippodrome and tours extensively nationally and internationally. The company's associated ballet school – Elmhurst School for Dance in Edgbaston – is the oldest vocational dance school in the country.

The Birmingham Opera Company under artistic director Graham Vick has developed an international reputation for its avant-garde productions, which often take place in factories, abandoned buildings and other found spaces around the city. More conventional seasons by Welsh National Opera and other visiting opera companies take place regularly at the Birmingham Hippodrome. The first dedicated comedy club outside of London, The Glee Club, was opened in The Arcadian Centre, city centre, in 1994, and continues to host performances by leading regional, national and international acts.

Birmingham has two major public art collections. Birmingham Museum & Art Gallery is best known for its works by the Pre-Raphaelites, a collection "of outstanding importance". It also holds a significant selection of old masters – including major works by Bellini, Rubens, Canaletto and Claude – and particularly strong collections of 17th-century Italian Baroque painting and English watercolours. Its design holdings include Europe's pre-eminent collections of ceramics and fine metalwork. The Barber Institute of Fine Arts in Edgbaston is one of the finest small art galleries in the world, with a collection of exceptional quality representing Western art from the 13th century to the present day.

Birmingham Museums Trust runs other museums in the city including Aston Hall, Blakesley Hall, the Museum of the Jewellery Quarter, Soho House and Sarehole Mill. The Birmingham Back to Backs are the last surviving court of back-to-back houses in the city. Cadbury World is a museum showing visitors the stages and steps of chocolate production and the history of chocolate and the company. The Ikon Gallery hosts displays of contemporary art, as does Eastside Projects.

Thinktank is Birmingham's main science museum, with a giant screen cinema, a planetarium and a collection that includes the Smethwick Engine, the world's oldest working steam engine. Other science-based museums include the National Sea Life Centre in Brindleyplace, the Lapworth Museum of Geology at the University of Birmingham and the Centre of the Earth environmental education centre in Winson Green.