re: Planning on Attending Good Friday Mass for the First Time.

I would say do the whole Triduum, as it follows the Paschal Mystery

It is my favorite time of the liturgical year because of the symbolism and meaning in each liturgy

Start with Holy Thursday, where we recall the Last Supper and the institution of the Eucharist. That is usually an evening Mass. It ends with a procession of the Eucharist to an altar of repose, and churches are usually open for a time of adoration after.

Then attend Good Friday service. It is a solemn liturgy, beginning in silence and remembering the Passion of Christ.

Then top it off with the Easter Vigil, where we celebrate the Resurrection. It starts off with the blessing of the Paschal candle, recalling how Christ is the light of the world. Those in attendance all have candles which are lit from that one candle. The church is in darkness except for the candles as the exult is sung. This would actually be cool for you, as this is a time where new Catholics come into the church. You could talk to them after and gather information/hear their testimonies.