«يَا أَهْلَ ذَا الْمَغْنَى وَقِيتُمْ شَرًّا / وَلَا لَقِيتُمْ مَا بَقِيتُمْ ضَرًّا»
O people of this dwelling, may you be protected from evil and encounter no harm for as long as you live.
Rather than naming himself, the visitor opens with a blessing. Wuqītum conveys being protected, while laqītum means encountering or undergoing something.
Sharran / ḍarran create a strong echo, introducing the final-r sound that shapes the following verses.
Al-maghna here means the dwelling, not a musical performance. Yā is a vocative particle, and ahla is a construct vocative.