If you are looking for concerts over the summer a number of local churches have lunchtime concerts taking place every week, including:
The Chapel Royal (Tuesdays): http://www.lccr.org.uk/programme.htm
St Nicholas’ Church (Wednesdays): https://www.stnicholasbrighton.org.uk/index.php/Music/lunchtime-recitals.html
All Saints’, Hove (Thursdays): http://allsaintshove.org/whats-on/lunchtime-recitals/
Brighton Unitarian Church (Fridays): http://www.brightonunitarian.org.uk/friday-lunchtime-concerts.html
On Friday evenings St Luke’s, Queens Park present their popular Music & Wine concerts: http://www.stlukesconcerts.webeden.co.uk/
While St Mary’s, Kemptown has a series of free early evening concerts on Saturdays: http://www.stmaryschurchbrighton.org.uk/summer-recitals-2017.html
On Sat 8 July at 4pm St Mary’s, Kemptown are also hosting a talk by David Ingledew about his work restoring their 1904 Bechstein piano to concert standard. There will be scones, jam, cream and strawberries and a chance too to see the results of the recent building repairs. Tickets are just £5 and it’s free for under-16s and everyone is invited to stay on afterwards for a free recital at 6pm featuring Katherine Nicholas, Janet Ormerod, Carol Alderson and Nick Andrews with songs and arias by Purcell and Bach, and Bach’s beautiful Flute Sonata in E major, BWV1035.