During flight to Labuan, Tawau, and Kota Kinabalu (transit KK since there is no direct flight to Tawau from Labuan or vice versa), MAS has been playing Rabbani's tune "pergi tak kembali". Week after that, on return flight from Kuantan, the same tune was played. I thought "wow, was MAS commemorating almarhum Ustaz Asri by playing his famous song?".
Today (actually 2oth Oct), on return flight from Penang, it was classical Indian tune. Now I got it. The Rabbani's tune must be in connection with Raya but the choice of that song "pergi tak kembali" was probably coincidental with Ustaz Asri's demise. Since it was still Deepavali celebration, they played indian's tune now. I'll have to remember to check out the tunes when I fly to Bintulu & Miri next month... what festival would it be..