There's a lot of songs talking about a radio/stereo. Such as
Boomin' System by LL Cool J.
What exactly is "hit material"? Around the time
Invincible came out, ringtone songs were popular (in the USA), and for most of that decade. Some of the most popular radio acts of the 2000s are Lil' Wayne, Nelly, Eminem, Foo Fighters, Adele, Nicki Minaj, Maroon 5, OutKast, Destiny's Child/Beyoncé, Bruno Mars, Rihanna, Drake, BTS, & a few "bro country" singers. The last decade, DJ Khalid & Justin Beiber songs were always on the radio too. "We da best music! Another one"
Are songs like
Stanky Legg,
My Baby Daddy,
Gangnam Style,
What Did The Fox Say?,
White Tee,
Pretty Boy Swag,
The Whisper Song,
WAP,
Black Beatles, etc. "hit material"? Because they all were, lol. As of now,
Old Town Road by Lil Nas X & Billy Ray Cyrus is the longest running #1 song on the Hot 100 in Billboard.