Source: Tafsir al-Ahlam al-Kabir (Ibn Sirin)
The drum in a dream is false news and false fame. Beating it indicates falling into a matter by which one becomes famous for falsehood.
Source: Ta'tir al-Anam fi Ta'bir al-Manam (Al-Nabulsi)
The drum indicates a man who announces news. For the sick, it is death.
Source: Al-Isharat fi Ilm al-Ibarat (Ibn Shahin)
The drum is interpreted as news. Whoever sees himself beat it, his news will spread.