You should use the library's online catalogue when searching for a specific score. If you are just browsing, the classification in the link above will indicate which section to go to find scores for particular genres of music, e.g. opera.
IMSLP stands for the International Music Score Library Project and was started in 2006. The logo on the main page is a capital letter A. It was taken from the beginning of the very first printed book of music, the Harmonice Musices Odhecaton. It was published in Venice in 1501 by Ottaviano Petrucci, the library's namesake.
An off-air recording and media archive service that allows you to record TV and radio programmes scheduled for broadcast over the next seven days as well as retrieving programmes from the last seven days from a selected list of channels. In addition, you can watch programmes from the archive, create clips, and compile your favourite shows into playlists. Further information
Listen to a selection from the British Library’s extensive collections of unique sound recordings, which cover the entire range of recorded sound: music, drama and literature, oral history, wildlife and environmental sounds.
Listen online to over 85,000 CDs (from Naxos & a selection of other record labels) of mainly classical music, but including other genres such as Blues and Jazz.
Complete or selected recordings from over 640 labels such as ARC, Berlin Classics, BIS, Capriccio, Chandos, EMI Classics, Erato, Hänssler Classic, Hungaroton, Naïve, Naxos, Nimbus, Ondine, Virgin Classics and Warner Classics. Also includes Music notes, cover artwork, track lists, instrumentation, publisher information and Libretti and synopses of more than 700 operas plus more than 40,000 composer and artist biographies.