I found a mantra on a site which is from the Samaveda.(I don't know where it is in the Samaveda).
दोषो आगाद्बृहद्गाय द्युमद्गामन्नाथर्वण । स्तुहि देवँ सवितारम्॥
Is this mantra mentioned in the Samaveda? Is the Atharvaveda really mentioned in this mantra?