In chronological order:
Josef Haydn (1732 – 1809) - concerted in Bratislava
The "surprise" symphony no. 94:
Wolfgang Amadeus Mozart (1756-1791) - had a concert in
Ludwig van Beethoven (1770 – 1827) - visited Bratislava many times, played in Keglevich palace(Panská ulica).
Piano Concerto in C Major, composed for the Keglevich wedding which took place in Bratislava: http://www.youtube.com/watch?v=nYg2FxJVN2c
Johann Nepomuk Hummel (1778-1834) - was born in Bratislava, has his museum in Bratislava close to Primaciálny palac on Klobučnícka ulica.
Trumpet Concerto in Eb: http://www.youtube.com/watch?v=hR8H8CSojis