(S (S (BASENP (DT The) (NNP Montreal-born) (NNP Peterson)) (VP (VP (VBD learned) (S (VP (TO to) (VP (VP (VB play) (BASENP (NN piano))) (PP (IN in) (BASENP (NN childhood))))))) (CC and) (VP (PP (IN by) (BASENP (DT the) (NNS 1940s))) (VP (VBD was) (VP (ADVP (RB actively)) (VP (VBG performing) (PP (IN in) (NP (BASENP (JJ Canadian) (JJ big) (NNS bands)) (PP (JJ such) (PP (IN as) (BASENP (DT the) (NNP Johnny) (NNP Holmes) (NNP Orchestra)))))))))))) (PERIOD .))