In addition to 43331, here's a new high resolution spectrum of the violin modes, using 5.5 hours of data from 1219471938 to 1219491858. Resolution is 0.1 mHz.
Frequency [Hz] SNR 501.5548 434508 501.6303 84008404 501.7562 6798261 503.1977 135360 503.6787 254915 503.7342 10337288 504.1450 4906745 504.1790 31806 504.8856 7848 505.0794 36682633 505.1883 64056127 507.3617 44530690 507.4954 75967 508.8461 32354375 508.9412 3231126 510.7135 8430243 510.7247 1051 511.1812 29978133 511.2993 2273 513.4051 44258513 513.5111 11102 516.6798 24886757 516.7792 346780