Abdullah bin al-Harith bin Nawfal (may Allah have mercy on him) says: I saw Sayyiduna Usamah bin Zayd (may Allah be pleased with him) in a gathering, with one foot placed over the other and his voice raised; I think he was singing in a melodious tune.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الشهادات / 21015