======================== unified (from filesystem) ========================
                                         'bitrate'  '215.856'
                                        'duration'  '240'
                                          'artist'  'Blood Stain Child'
                                     'text_people'  ''
                                         'release'  'Mozaiq'
                                           'title'  'Ez Do Dance (TRF Cover)'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-3', 'q-busy-4', 'q-grit-4', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['death metal', 'trance metal', 'metal', 'japanese', 'melodic death metal', "
 "'j metal']")
                                     'discogstags'  "['electronic', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'eid-metal-death-melodic;loc-asia-japan'
                                             'bpm'  '123.5'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'Mozaiq'
'TBPM' (BPM (beats per minute))                     '123.5'
'TCON' (Content type, a.k.a. Genre)                 ['eid-metal-death-melodic', 'loc-asia-japan']
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         'Ez Do Dance (TRF Cover)'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Blood Stain Child'
'TPE2' (Band/orchestra/accompaniment)               'Blood Stain Child'
'TRCK' (Track number/Position in set)               '12'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['electronic', 'rock']
'TXXX:lastfmtags'                                   ['death metal',
 'trance metal',
 'metal',
 'japanese',
 'melodic death metal',
 'j metal']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '4'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.83 dB'
'TXXX:replaygain_track_peak'                        '0.377024'

========================== row from database ==========================
                                              'id'  1399315
                                            'path'  /data/Music/Bulk/00dwimp/00metal/00death/Blood Stain Child/Mozaiq/Blood Stain Child-Mozaiq-Ez Do Dance (TRF Cover).mp3
                                         'working'  None
                                         'bitrate'  215
                                    'duration_sec'  240
                                           'genre'  eid-metal-death-melodic;loc-asia-japan
                                        'filesize'  6495639
                                           'mtime'  1620301214
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 00death eid metal death melodic;loc asia japan
                                      'tag_artist'  Blood Stain Child
                                     'tag_release'  Mozaiq
                                       'tag_title'  Ez Do Dance (TRF Cover)
                                             'bpm'  123.5
                                    'search_title'  'cover':6,7 'dance':3 'do':2 'ez':1 'trf':4,5
                                   'search_artist'  'blood':1 'child':3 'stain':2
                                  'search_release'  'mozaiq':1
                                     'search_rest'  '00death':3 '00dwimp':1 '00metal':2 'asia':11 'death':6 'eid':4 'japan':12 'loc':8,10 'melodic':7,9 'metal':5
                                    'search_combo'  '00death':14 '00dwimp':12 '00metal':13 'asia':22 'blood':8B 'child':10B 'cover':6A,7A 'dance':3A 'death':17 'do':2A 'eid':15 'ez':1A 'japan':23 'loc':19,21 'melodic':18,20 'metal':16 'mozaiq':11C 'stain':9B 'trf':4A,5A
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-4', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-3', 'q-grit-4']
                                      'lastfmtags'  ['death metal', 'trance metal', 'metal', 'japanese', 'melodic death metal', 'j metal']
                                        'tag_date'  2007
                                     'discogstags'  ['electronic', 'rock']

============================== file details ==============================
                                           'mtime'  1620301214.1443782  (2021-05-06 13:40:14)
                             'size'  6495639