SELECT bt.idbannhac AS idBanthuam,
bn.tenbannhac AS tenBannhac,
tl.tentheloai AS tenTheloai,
cs.tencasi AS tenCasi
FROM banthuam bt
JOIN bannhac bn ON bt.idbannhac = bn.idbannhac
JOIN nhacsi ns ON bn.idnhacsi = ns.idnhacsi
JOIN casi cs ON bt.idcasi = cs.idcasi
JOIN theloai tl ON bn.idtheloai = tl.idtheloai
WHERE ns.tennhacsi = 'Văn Cao'