(S (S (S (BASENP (NNP BET)) (VP (ADVP (RB also)) (VP (VBD held) (NP (BASENP (DT a) (NN charity) (NN concert)) (VP (VBN called) (NP (BASENP (NN S.O.S)) (PRN (LRB -LRB-) (S (VP (VBG Saving) (BASENP (PRP OurSelves)))) (RRB -RRB-)))))))) (COMMA ,) (SBAR (BASENP (DT a) (NN half-hour)) (SBAR (IN before) (S (VP (VBG cutting) (PP (TO to) (BASENP (DT the) (JJ main) (NN one)))))))) (PERIOD .))