This was an amazing talk called "How to be inspired" by Bhai Amandeep Singh Ji from London.

He references Japji Sahib Katha by Bhai Jagraj Singh Ji (Basics of Sikhi) and Bhai Sukhraj Singh Ji (Sikh 2 Inspire). Links to these are provided below, as well as Bhai Satpal Singh Ji's Katha series (Nanak Naam), which is also very detailed and helpful. Listen carefully... The Katha will change your life.

Basics of Sikhi:
https://www.youtube.com/playlist?list=PL8F0BB3226CF2D06B

Nanak Naam:
https://www.youtube.com/playlist?list=PLcfWqGbTrBFpedydGl8Tf5OwwU7sMWz2K

Sikh 2 Inspire:
https://soundcloud.com/sikh2inspire/sets/japjisahibkatha

Manpreet Singh Lalria