======================== unified (from filesystem) ========================
                                         'bitrate'  '190.72'
                                        'duration'  '268'
                                          'artist'  'Tom Waits'
                                     'text_people'  ''
                                         'release'  'Asylum Years'
                                           'title'  'Martha'
                                           'quals'  ("['Q-JZFKS-2', 'Q-HAP-2', 'Q-LOCALNESS-2', 'Q-UNU-2', 'Q-OLDST-3', "
 "'Q-HHRNBTT-1', 'Q-PLAY-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-1', 'q-vocals-4', 'q-mixbeat-2', "
 "'Q-PIANO-4']")
                                      'lastfmtags'  "['blues', 'rock', 'alternative', 'experimental', 'singer songwriter']"
                                     'discogstags'  "['rock', 'blues', 'lounge']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '1986'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-eos'
                                             'bpm'  '117.262'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Asylum Years'
'TBPM' (BPM (beats per minute))                     '117.262'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-eos'
'TDRC' (Recording time)                             '1986'
'TIT2' (Title/songname/content description)         'Martha'
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'Tom Waits'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '4'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['rock', 'blues', 'lounge']
'TXXX:lastfmtags'                                   ['blues', 'rock', 'alternative', 'experimental', 'singer songwriter']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.01 dB'
'TXXX:replaygain_track_peak'                        '0.670749'

========================== row from database ==========================
                                              'id'  1363158
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/00songwriter-eos/Tom Waits/1986 - The Asylum Years/MBZ;#Tom Waits;#Asylum Years;#03;#Martha.mp3
                                         'working'  None
                                         'bitrate'  190
                                    'duration_sec'  268
                                           'genre'  ifs-songwriter-eos
                                        'filesize'  6405732
                                           'mtime'  1639508247
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 00songwriter eos 1986 The MBZ;#Tom Waits;#Asylum Years;#03;#Martha ifs songwriter eos
                                      'tag_artist'  Tom Waits
                                     'tag_release'  Asylum Years
                                       'tag_title'  Martha
                                             'bpm'  117.262
                                    'search_title'  'martha':1
                                   'search_artist'  'tom':1 'waits':2
                                  'search_release'  'asylum':1 'years':2
                                     'search_rest'  '00singer':1 '00songwriter':4 '03':16,19 '1986':5 'asylum':12,14 'eos':3 'ifs':21 'martha':17,20 'mbz':7,9 'songwriter':2 'the':6 'tom':8,10 'waits':11,13 'years':15,18
                                    'search_combo'  '00singer':6 '00songwriter':9 '03':21,24 '1986':10 'asylum':4C,17,19 'eos':8 'ifs':26 'martha':1A,22,25 'mbz':12,14 'songwriter':7 'the':11 'tom':2B,13,15 'waits':3B,16,18 'years':5C,20,23
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-mixbeat-2', 'Q-PIANO-4', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-2', 'Q-PLAY-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['blues', 'rock', 'alternative', 'experimental', 'singer songwriter']
                                        'tag_date'  1986
                                     'discogstags'  ['rock', 'blues', 'lounge']

============================== file details ==============================
                                           'mtime'  1639508246.8575747  (2021-12-14 19:57:26)
                             'size'  6405732