Qadha Salaah

Q:

1. I have a lot of qadha salaah and I don't know exactly how much, how should I calculate all my salaah?

2. While performing my qadha salaah, can I perform all the Fajr, then all the Zuhr, then all the Asr and so on?

Subliminals

Q: I have a question regarding if something is haram and shirk. There's this thing called subliminals and they’re essentially these affirmations that reach your subconscious to help change some things or help improve yourself. For example, get longer eyelashes or improve your memory. Is it shirk? Also, some don’t have music playing, usually rain drops or silence.