Chopin Nocturne No.2 in E-flat major Op.9 No.2 version with variants

(National Edition)
played 'spontaneously' with Chopin's authentic variants:
(
00:26) 2a - written for Camilla O'Meara (Madame Dubois) (1830-1907) 
(
00:41) 4 - written for Camilla O'Meara (Madame Dubois)
(
00:49) 5 - published by Karol(Carl) Mikuli (1821-97) 
(
01:22) 6 - written for Jane Stirling (1804-59) 
(
01:29) 7 - from Wilhelm von Lenz(1809-83)'s article
(
01:30) 8a - written for Ludwika Jędrzejewiczowa
(
01:37) 9 - written for Ludwika JÄ™drzejewiczowa
(
02:19) 12 - written for Jane Stirling
(
02:25) 13 - from Wilhelm von Lenz's article 
(
02:26) 14a - published by Karol Mikuli
(
02:34) 15 - from August Franchomme
(
02:57) 18 - published by Karol Mikuli
(
03:42) 19a - published by Karol Mikuli
(
03:55) 20 - written for Zofia Rosengardt (Madame Zaleska) (1814-68) (from Virginia Fortescue's collection, University of Port Elisabeth, South Africa)
(
04:24) 21a - written for Jane Stirling
27th October 2012, Piotrowice Nyskie