======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '187'
                                          'artist'  'Sebadoh'
                                     'text_people'  ''
                                         'release'  'III'
                                           'title'  'The Freed Pig'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'alternative', 'lo fi', 'indie rock', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '23'
                                            'date'  '1991'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted'
                                             'bpm'  '134.9'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 00001CB6 00000BF0 00006796 0000342B 000178D6 000283C6 0000825F 000082C3 '
 '00018D3E 000219C1')
'COMM:iTunPGAP:eng'                                 '1'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000810 00000000007E6660 00000000 00000000 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '23+D890780323492E0E7BAB956C87396300+446769'
'TALB' (Album/Movie/Show title)                     'III'
'TBPM' (BPM (beats per minute))                     '134.9'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-unsorted'
'TDRC' (Recording time)                             '1991'
'TENC' (Encoded by)                                 'iTunes v6.0.5'
'TIT2' (Title/songname/content description)         'The Freed Pig'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Sebadoh'
'TPOS' (Part of a set)                              '1/2'
'TRCK' (Track number/Position in set)               '1/23'
'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'                                  'rock'
'TXXX:lastfmtags'                                   ['indie', 'alternative', 'lo fi', 'indie rock', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'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'                        '-0.78 dB'
'TXXX:replaygain_track_peak'                        '0.454057'

========================== row from database ==========================
                                              'id'  1276528
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Sebadoh/III/1-01 the freed pig.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  187
                                           'genre'  ifs-songwriter-indie-unsorted
                                        'filesize'  3145738
                                           'mtime'  1621852181
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 1 01 the freed pig ifs songwriter indie unsorted
                                      'tag_artist'  Sebadoh
                                     'tag_release'  III
                                       'tag_title'  The Freed Pig
                                             'bpm'  134.9
                                    'search_title'  'freed':2 'pig':3 'the':1
                                   'search_artist'  'sebadoh':1
                                  'search_release'  'iii':1
                                     'search_rest'  '00singer':1 '1':4 'eos':3 'freed':6 'ifs':8 'indie':9 'pig':7 'songwriter':2 'the':5 'unsorted':10
                                    'search_combo'  '00singer':6 '1':9 'eos':8 'freed':2A,11 'ifs':13 'iii':5C 'indie':14 'pig':3A,12 'sebadoh':4B 'songwriter':7 'the':1A,10 'unsorted':15
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  6A
                                           '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-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative', 'lo fi', 'indie rock', 'rock']
                                        'tag_date'  1991
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1621852180.9508781  (2021-05-24 12:29:40)
                             'size'  3145738