Each concert features a different guest artist and their special guests. The nine concerts celebrate Alan’s songbook ("It's Good to See You Again," "Anything Worth Holding On To," "I'm Coming Home To You") as well as the stories behind the tunes.

The lineup follows:

Sept. 7 at 8 PM – Alan & Dean John-Wilson (Here Lies Love; Here to Eternity) with special guests Cynthia Erivo (Celie in the upcoming Broadway production of The Color Purple) and Caroline Kay.

Sept. 8 at 8 PM – Alan & Oliver Tompsett (Drew in West End’s Rock of Ages; Fiyero in West End’s Wicked) with special guests Lauren Varnham (West End’s Gypsy) and Sabrina Aloueche. 

Sept. 9 at 11 PM – Alan & Eva Noblezada (Kim in West End’s Miss Saigon) with special guests and fellow Miss Saigon co-stars Jon Jon Briones (The Engineer) & Chris Peluso (Chris). Sept. 10 at 11 PM – Alan & Ashleigh Gray (Elphaba in West End & U.K. tour of Wicked; Stephanie Zinone in West End’s Cool Rider) with special guests Joe Tracini (Hollyoaks) and Stuart Matthew Price (West End’s Shrek).

Sept. 12 at 8 PM - Scott Alan's Very Special Birthday Concert Celebrating Mark Shenton (Playbill.com London correspondent; London-based theatre critic and journalist) featuring a dozen special guests.

Sept. 14 at 11 PM – Alan & Rachelle Ann Go (Gigi in West End’s Miss Saigon; Upcoming: Fantine in West End’s Les Misérables) with special guests Hunter Ryan Herdlicka (Broadway’s A Little Night Music) and fellow Les Misérables co-stars Rob Houchen (Marius), Bradley Jaden (Enjolras), AJ Rafael and 2014 Britain's Got Talent winners Collabro.

Sept. 15 at 8 PM – Alan introduces Jennifer Owens featuring special guest Carol Owens.

Sept. 16 at 8 PM – Alan & Danny-Boy Hatchard (Lee Carter on BBC One’s "EastEnders"; Ste in West End’s Beautiful Thing) with special guest Nina French (The Drowsy Chaperone; Miss Saigon).

Sept. 17 at 11 PM – Alan & Lucie Jones ("X-Factor" finalist; Cosette in West End’s Les Misérables) with special guests Gemma Oaten (Emmerdale), Hiba Elchikhe (Ghost), Dale Evans (West End’s Miss Saigon), Waylon Jacobs, Jamie Lambert (Collabro) and Georgina Hagen (Britannia High).

Contest winners from the #imastar contest will also perform: Ashley Donaldson (Sept. 7), Kasia Howley (Sept. 8), Cassie McCluskey and Chelsea-Lee Nichol (Sept. 9), Alfie Perry and Charlotte Wheatcroft (Sept. 10), Bethany Heyword (Sept. 11), Conor Mellor (Sept. 14), Jan Forrellat (Sept. 15), Diana Field (Sept. 16) and Samuel D. Lewis (Sept. 17).

Alan’s songs have been recorded by many of today’s Broadway, West End and recording artist elite.

Tickets are available by clicking here.

The Hippodrome is located at Cranbourn Street, Leicester Square, WC2H 7JH London.