======================== unified (from filesystem) ========================
                                         'bitrate'  '166.971'
                                        'duration'  '265'
                                          'artist'  'Tom Waits'
                                     'text_people'  ''
                                         'release'  'Heartattack and Vine'
                                           'title'  'In Shades'
                                           'quals'  ("['Q-JZFKS-2', 'Q-HAP-2', 'Q-LOCALNESS-2', 'Q-UNU-2', 'Q-OLDST-3', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['blues', 'rock', 'alternative', 'experimental', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-eos'
                                             'bpm'  '96.714'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Heartattack and Vine'
'TBPM' (BPM (beats per minute))                     '96.714'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-eos'
'TDRC' (Recording time)                             '1980'
'TIT2' (Title/songname/content description)         'In Shades'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Tom Waits'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['blues', 'rock', 'alternative', 'experimental', 'singer songwriter']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.88 dB'
'TXXX:replaygain_track_peak'                        '0.979024'

========================== row from database ==========================
                                              'id'  1374234
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/00songwriter-eos/Tom Waits/1980 - Heartattack and Vine/MBZ;#Tom Waits;#Heartattack and Vine;#02;#In Shades.mp3
                                         'working'  None
                                         'bitrate'  166
                                    'duration_sec'  265
                                           'genre'  ifs-songwriter-eos
                                        'filesize'  5541760
                                           'mtime'  1639508243
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 00songwriter eos 1980 MBZ;#Tom Waits;#Heartattack Vine;#02;#In ifs songwriter eos
                                      'tag_artist'  Tom Waits
                                     'tag_release'  Heartattack and Vine
                                       'tag_title'  In Shades
                                             'bpm'  96.714
                                    'search_title'  'in':1 'shades':2
                                   'search_artist'  'tom':1 'waits':2
                                  'search_release'  'and':2 'heartattack':1 'vine':3
                                     'search_rest'  '00singer':1 '00songwriter':4 '02':15,18 '1980':5 'eos':3 'heartattack':11,13 'ifs':20 'in':16,19 'mbz':6,8 'songwriter':2 'tom':7,9 'vine':14,17 'waits':10,12
                                    'search_combo'  '00singer':8 '00songwriter':11 '02':22,25 '1980':12 'and':6C 'eos':10 'heartattack':5C,18,20 'ifs':27 'in':1A,23,26 'mbz':13,15 'shades':2A 'songwriter':9 'tom':3B,14,16 'vine':7C,21,24 'waits':4B,17,19
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['blues', 'rock', 'alternative', 'experimental', 'singer songwriter']
                                        'tag_date'  1980
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1639508243.166146  (2021-12-14 19:57:23)
                             'size'  5541760