This is the best kind of 'en famille' ensemble. When I was momentarily inclined to think that I do not normally look to France for particular insights into Brahms, whose music, even when he calls it 'Hungarian', is about as deeply and exclusively German as there has ever been, I soon recollected that Pierre Monteux considered himself first and foremost a Brahms exponent -- and what a great one he was too.
Seeing eye-to-eye in the matter of interpretation can't be assumed when it comes to close family. Emil and Elena Gilels carried it off quite successfully, but I have record of Mozart's two-piano concerto played by Serkin pere & fils (aged 14) which is notable in many ways but not for unanimity of style between the soloists. The sisters Labecque play as one woman. I have heard them give the entire set of Hungarian dances in London, and this is exactly how they did them then. Their approach is a very 'rich' romantic one, with plenty of pedal as you can hear immediately from the very first number. They know exactly what effects they intend, their technical command is total, and I have real difficulty in imagining anyone who likes the pieces in the first place not enjoying this recital thoroughly, especially as the recording is excellent and well-suited to the type of playing. I know and like other versions and other styles too, but the Hungarian dances are not exactly works where I imagine many people feel that one style and one only is appropriate. This is not to deny that there can be better and worse peformances here as in most kinds of music, only to express my feeling that when they are pleasantly done I should be grateful and not fussy. As an example of how they can be done the wrong way let me point you, sadly, to Kissin's jerky and nervy accounts of several of them on his otherwise excellent recent all-Brahms disc featuring the F minor sonata.
This disc is is well worth hunting for, especially if you can get it at a bargain price and even if you have another version of the pieces. If you are not yet acquainted with the players, je vous presente avec plaisir Mesdemoiselles Labecque.