I recorded over 310 thrush calls between 5am and 6:35am at my home in Hunterdon County, NJ this morning. Here's the eBird checklist.
As always, there are many calls that I'm still puzzling over. Here's a spectrogram of a call sequence from 6:09am:
You can download the audio of this clip, and follow any possible discussion of it from my post on the Nocturnal Flight Call Facebook group.