himself discovered the songs then while Noah .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 himself)) (VP_4 (VBD_0 discovered) (NP_3 (NP_6 (DT_0 the) (NNS_1 songs)) (PP_0 (ATPP_0 (ADVP_0 (RB_0 then)) (IN_2 while)) (NP_1 (NNP_0 Noah)))))) (DOT_0 .)))