The rigid material is adapted to allow the head to be sonically welded.

刚性材料适合于使牙刷头能用声 焊法焊接。

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It's a sonically lush whisper, sharing secrets with anyone curious enough to listen.

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Produced by Spoon's Britt Daniel, It's Frightening is more musically assured and less sonically dense than White Rabbits' debut, Fort Nightly.

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But where Oberst's persona is wide-eyed and vulnerable, O'Brien's is brooding and elusive, making Becoming a Jackal a beautiful but emotionally and sonically complicated album.

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