Kyle Dean Massey

Steven Tyler guest stars as himself in the fourth season premiere of \\"Nashville\\".

When Juliette becomes so focused on her album that she puts it ahead of everything else, Avery makes a major decision; Rayna and the girls stand by Deacon as his life hangs in the balance.

Rayna asks Deacon and her daughters to perform with her at the anniversary celebration of her induction into the Grand Ole Opry; Will is uncomfortable with the songwriter he is asked to collaborate with; Sadie reveals her battle to the world.

Deacon becomes frustrated when Rayna refuses to let him wallow; Scarlett is wary of performing again; Will's writing partner suddenly becomes unavailable; Sadie ends up in a dangerous situation.

While Juliette enjoys the attention following her rooftop performance, her team worries she is suffering from postpartum depression; Will learns his private life is about to be splashed across a tabloid; Deacon and Rayna grapple with his diagnosis.

Jeff is forced to revisit his past when he is faced with his ex-fiancee (Christina Aguilera); Maddie struggles with the news about Deacon's illness; after the birth of her daughter, Juliette is eager to get back to work.