All Time Low have shared a new song called ‘Once In A Lifetime’ – you can listen to it below.The Baltimore band announced the track on social media last Friday (March 19), with guitarist Jack Barakat teasing that “it’s all happppppening.”Arriving today (March 24), the reflective new single was co-produced by Zakk Cervini and Andrew Goldstein who also helmed All Time Low’s eighth album ‘Wake Up, Sunshine’ (released last April).According to frontman Alex Gaskarth, ‘Once In A Lifetime’ is about