I went through a BUNCH of songs on my PC and looked for stuff that I loved to listen to (and wanted to hear good quality remixes of). Some of these might be "overdone" and if so, just skip them mixing ladder mods!
Attaullah Khan - Kameez Teri Kali
Nusrat Fateh Ali Khan - Lal Meri Pat Rakhiyo (aka "Shahbaz Qalandar") (or Alam Lohar's version)
Nusrat Fateh Ali Khan - Akhiyaan Udeek Diyan
Nusrat Fateh Ali Khan - Sanu Ek Pal Chain
Arif Lohar - Jugni Ji (Dr. Zeus did an interesting remix to this, so don't jack concepts!)
Malkit Singh - Hey Jamalo (even though there are tons of remixes out there - would love to hear a unique take on it)
Mangal Singh - Saddi Rail Gaddi Ayi (if we're talking classics, how can we NOT include this song? Played at every traditional Punjabi wedding!)
Bally Sagoo - Jind Sadi Mang Ni
Gurdas Mann - Challa
K. Deep & Jagmohan Kaur - Baba Ve Kala Maror
K. Deep & Jagmohan Kaur - Bada Karara Pudna
Reshma - Akhian Nu Rehn De
Apna Sangeet - Aao Nachiye
Apna Sangeet - Mere Yaar Vajavey
Apna Sangeet - Soho Road
Daler Mehndi - Saade Dil Te Chhuriyan Chaliyan
Kailash Kher - Teri Deewani
Malkit Singh - Mithe Ganne
Malkit Singh - Naram Jehi
Mallika & Jyoti - Simmiye
Bob Kooner - Pind Mitran De
Surinder Kaur - Chan Kithan Guzari Raat Ve
Surinder Kaur & Prakash Kaur - Mawan Te Dhiyan Ral
Surinder Kaur & Prakash Kaur - Sarke Sarke Jandiye Mutiare Ni
Surinder Kaur & Prakash Kaur - Suhe Ve Cheere Walia
Bollywood (would love to hear these songs mixed in one way or another, just listing the movie & song for most):
Mumtaz - Dilwale dulhania le jayenge (Original Song)
Mohra - Tu Cheez Badi Hai Mast
Bobby - Jhoot Bole Kauwa Kaate
Prem Rog - Yeh Galiyan Yeh Chaubara
Gadar - Main Nikla Gaddi Leke
Naya Daur - Ude Jab Jab Zulfen Teri
Aur Pyar Hogaya (Nusrat Fateh Ali Khan ft. Udit Narayn & Anuradha Paudwal) - Koi Jane Koi Na Jaane
Jaanwar - Mera Yaar Dildar
Saajan - Dekha Hai Pehli Baar
Yaraana - Mera Piya Ghar Aaya
If you're looking for English stuff - I would love to hear any hit by some big stars like Madonna/Michael Jackson/etc. I can provide more suggestions on popular old school English songs if needed.
~ Basim
P.S. - Mods, let me know if you need mp3's of any of these songs (not sure if I have high quality versions of everything, but I could try to help track something down if needed).