======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '316'
                                          'artist'  'Bon Iver'
                                     'text_people'  'Justin Vernon'
                                         'release'  'Bon Iver'
                                           'title'  'Beth/Rest'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-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-4', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'acoustic', 'lo fi', 'folk', 'singer songwriter']"
                                     'discogstags'  "['indie rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie'
                                             'bpm'  '128.495'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Bon Iver'
'TBPM' (BPM (beats per minute))                     '128.495'
'TCOM' (Composer)                                   'Justin Vernon'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie'
'TIT2' (Title/songname/content description)         'Beth/Rest'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Bon Iver'
'TPE2' (Band/orchestra/accompaniment)               'Bon Iver'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Jagjaguwar'
'TRCK' (Track number/Position in set)               '10'
'TXXX:DATE'                                         '2011'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['indie rock', 'rock']
'TXXX:lastfmtags'                                   ['indie', 'acoustic', 'lo fi', 'folk', 'singer songwriter']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.80 dB'
'TXXX:replaygain_track_peak'                        '0.568168'

========================== row from database ==========================
                                              'id'  1261585
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Bon Iver/Bon Iver/10 Beth_Rest.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  316
                                           'genre'  ifs-songwriter-indie
                                        'filesize'  12743380
                                           'mtime'  1636400510
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 10 Beth_Rest ifs songwriter indie
                                      'tag_artist'  Bon Iver
                                     'tag_release'  Bon Iver
                                       'tag_title'  Beth/Rest
                                             'bpm'  128.495
                                    'search_title'  'beth':1 'bethrest':3 'rest':2
                                   'search_artist'  'bon':1 'iver':2
                                  'search_release'  'bon':1 'iver':2
                                     'search_rest'  '00singer':1 'beth':4 'eos':3 'ifs':6 'indie':7 'rest':5 'songwriter':2
                                    'search_combo'  '00singer':8 'beth':1A,11 'bethrest':3A 'bon':4B,6C 'eos':10 'ifs':13 'indie':14 'iver':5B,7C 'rest':2A,12 'songwriter':9
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-4', 'q-other-4', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'acoustic', 'lo fi', 'folk', 'singer songwriter']
                                        'tag_date'  2011
                                     'discogstags'  ['indie rock', 'rock']

============================== file details ==============================
                                           'mtime'  1636400510.1665215  (2021-11-08 20:41:50)
                             'size'  12743380