I was in Barcelona as well last year many fans during that weekend, I have the opportunity to the Skatalites on Friday, but no problem Im checking every day papers, tv, radios so I´ll keep you inform.
From Barcelona to San Sebastian, check charter airlines, I posted before in this link and trains, also in buses, I´ll get the info with a Basque friend about buses cheaper option, yes probably 500 kmts.
check this web best one to calcute distances and get all information Between European cities.
[
www.viamichelin.es]
Carlos
Tenerife