======================== unified (from filesystem) ========================
                                         'bitrate'  '201.368'
                                        'duration'  '126'
                                          'artist'  'Deerhoof'
                                     'text_people'  ''
                                         'release'  'The Runners Four'
                                           'title'  'Lemon & Little Lemon'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-2', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'noise', 'indie rock', 'experimental', 'noise rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted'
                                             'bpm'  '127.3'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'The Runners Four'
'TBPM' (BPM (beats per minute))                     '127.3'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-unsorted'
'TDRC' (Recording time)                             '2005'
'TENC' (Encoded by)                                 'iTunes v4.9'
'TIT2' (Title/songname/content description)         'Lemon & Little Lemon'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Deerhoof'
'TRCK' (Track number/Position in set)               '14'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['indie', 'noise', 'indie rock', 'experimental', 'noise rock']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.30 dB'
'TXXX:replaygain_track_peak'                        '0.447933'

========================== row from database ==========================
                                              'id'  1268462
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Deerhoof/The Runners Four/14 lemon & little lemon.mp3
                                         'working'  None
                                         'bitrate'  201
                                    'duration_sec'  126
                                           'genre'  ifs-songwriter-indie-unsorted
                                        'filesize'  3235568
                                           'mtime'  1636917161
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 14 lemon little lemon ifs songwriter indie unsorted
                                      'tag_artist'  Deerhoof
                                     'tag_release'  The Runners Four
                                       'tag_title'  Lemon & Little Lemon
                                             'bpm'  127.3
                                    'search_title'  'lemon':1 'little':2
                                   'search_artist'  'deerhoof':1
                                  'search_release'  'four':3 'runners':2 'the':1
                                     'search_rest'  '00singer':1 'eos':3 'ifs':6 'indie':7 'lemon':4 'little':5 'songwriter':2 'unsorted':8
                                    'search_combo'  '00singer':7 'deerhoof':3B 'eos':9 'four':6C 'ifs':12 'indie':13 'lemon':1A,10 'little':2A,11 'runners':5C 'songwriter':8 'the':4C 'unsorted':14
                                    'tag_tracknum'  14
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'noise', 'indie rock', 'experimental', 'noise rock']
                                        'tag_date'  2005
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1636917160.812453  (2021-11-14 20:12:40)
                             'size'  3235568