One of the most important weeks we've covered on the podcast so far is here. After years of falling CD sales, the downloads chart are incorporated in the main chart. But what will it mean for new releases by Ciara, Maroon 5, Gorillaz, Razorlight, Anastacia, Tiesto and Interpol.

Find out on the 2000s pop music show where every week we review the 40 biggest selling songs of this week 20 years ago. This means we're talking about the following songs on this week's show:

Akon - Locked Up

Anastacia - Heavy on My Heart

Basement Jaxx - Oh My Gosh

Ciara feat. Missy Elliott - 1 2 Step

Daft Punk - Robot Rock

Elvis Presley - Crying in the Chapel

Elvis Presley - The Wonder of You

The Faders - No Sleep Tonight

Feeder - Feeling a Moment

50 Cent - Candy Shop

Freeloaders feat. The Real Thing - So Much Love to Give

Garbage - Why Do You Love Me

Gorillaz - Feel Good Inc.

Gwen Stefani ft Eve - Rich Girl

Hal - Play the Hits

Interpol - C’Mere

Jem - They

Jennifer Lopez - Get Right

Juliet - Avalon

Kelis feat. Nas - In Public

Kylie Minogue - Giving You Up

Lemar - Time to Grow

Mariah Carey - It’s Like That

Mario - Let Me Love You

Maroon 5 - Must Get Out

McFly - All About You/You’ve Got a Friend

Melanie C - Next Best Superstar

Natalie Imbruglia - Shiver

Natasha Bedingfield - I Bruise Easily

Nelly feat. Tim McGraw - Over and Over

Phantom Planet - California

Rachel Stevens - Negotiate with Love

Razorlight - Somewhere Else

Stereophonics - Dakota

Studio B - I See Girls

Sunset Strippers - Falling Stars

Tiesto - Adagio for Strings

Tony Christie - (Is This Way to) Amarillo

Twista feat. Faith Evans - Hope

Will Smith - Switch

If you still want more 00s pop music fun, follow The 2000s Chart Show over at The App Formerly known as Twitter, TikTok and Instagram, and email us at [email protected] with your pop music memories.