======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '215'
                                          'artist'  'Tom Jones & The Moog Cookbook'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Kung Fu Fighting (Fatboy Slim Dance Mix)'
                                           'quals'  ("['Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-2', "
 "'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-mashup or collage;set-cover or covered'
                                             'bpm'  '115.854'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:\x93!\x00\x00'                   PRIV(owner='AverageLevel', data=b'\x93!\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'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')
'TBPM' (BPM (beats per minute))                     '115.854'
'TCON' (Content type, a.k.a. Genre)                 ['set-mashup or collage', 'set-cover or covered']
'TIT2' (Title/songname/content description)         'Kung Fu Fighting (Fatboy Slim Dance Mix)'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Tom Jones & The Moog Cookbook'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.22 dB'
'TXXX:replaygain_track_peak'                        '0.513387'

========================== row from database ==========================
                                              'id'  684819
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/0reuse/Moog Cookbook/Tom Jones & The Moog Cookbook - Kung Fu Fighting (Fatboy Slim Dance Mix).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  215
                                           'genre'  set-mashup or collage;set-cover or covered
                                        'filesize'  3448834
                                           'mtime'  1620348092
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 0reuse set mashup or collage;set cover or covered
                                      'tag_artist'  Tom Jones & The Moog Cookbook
                                     'tag_release'  None
                                       'tag_title'  Kung Fu Fighting (Fatboy Slim Dance Mix)
                                             'bpm'  115.854
                                    'search_title'  'dance':7 'fatboy':4,5 'fighting':3 'fu':2 'kung':1 'mix':8,9 'slim':6
                                   'search_artist'  'cookbook':5 'jones':2 'moog':4 'the':3 'tom':1
                                  'search_release'  
                                     'search_rest'  '0reuse':1 'collage':5,7 'cover':9 'covered':10 'mashup':3 'or':4 'set':2,6,8
                                    'search_combo'  '0reuse':15 'collage':19,21 'cookbook':14B 'cover':23 'covered':24 'dance':7A 'fatboy':4A,5A 'fighting':3A 'fu':2A 'jones':11B 'kung':1A 'mashup':17 'mix':8A,9A 'moog':13B 'or':18 'set':16,20,22 'slim':6A 'the':12B 'tom':10B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-1', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620348092.32601  (2021-05-07 02:41:32)
                             'size'  3448834