======================== unified (from filesystem) ========================
                                         'bitrate'  '186.783'
                                        'duration'  '198'
                                          'artist'  'Natalie Merchant'
                                     'text_people'  ''
                                         'release'  'Ophelia'
                                           'title'  'The Living'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-HHRNBTT-1', 'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-1', 'q-vocals-3', 'q-mixbeat-2', "
 "'Q-PIANO-3']")
                                      'lastfmtags'  "['alternative', 'female vocalists', 'pop', 'folk', 'singer songwriter']"
                                     'discogstags'  "['rock', 'folk rock', 'soft rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '11'
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-rock'
                                             'bpm'  '145.790'
                                             'key'  '4B'
                                        'acoustid'  ''
rest: ''

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

'APIC:Cover Image'                                  type PictureType.COVER_FRONT (Cover (front)) b'Cover Image'
                                     
'POPM:'                                             POPM(email='', rating=153, count=0)
'TALB' (Album/Movie/Show title)                     'Ophelia'
'TBPM' (BPM (beats per minute))                     '145.790'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-rock'
'TDOR' (Original release time)                      '1998'
'TDRC' (Recording time)                             '1998-05-19'
'TIT2' (Title/songname/content description)         'The Living'
'TKEY' (Initial key)                                '4B'
'TMED' (Media type)                                 'HDCD'
'TPE1' (Lead performer(s)/Soloist(s))               'Natalie Merchant'
'TPE2' (Band/orchestra/accompaniment)               'Natalie Merchant'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Elektra'
'TRCK' (Track number/Position in set)               '10/11'
'TSO2'                                              'Merchant, Natalie'
'TSOP' (Performer sort order)                       'Merchant, Natalie'
'TSRC' (ISRC (international standard recording code))  'USEE19800022'
'TXXX:ASIN'                                         'B000006OAM'
'TXXX:BARCODE'                                      '075596219624'
'TXXX:CATALOGNUMBER'                                '62196-2'
'TXXX:FMPS_Rating'                                  '0.6'
'TXXX:MusicBrainz Album Artist Id'                  'ba03daa8-0a45-4432-881f-4de8e0e05305'
'TXXX:MusicBrainz Album Id'                         '78acc379-5b9e-41fc-8691-d387475ede74'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'ba03daa8-0a45-4432-881f-4de8e0e05305'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['rock', 'folk rock', 'soft rock']
'TXXX:lastfmtags'                                   ['alternative', 'female vocalists', 'pop', 'folk', 'singer songwriter']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.50 dB'
'TXXX:replaygain_track_peak'                        '0.600396'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'77ccf4b0-11f2-4ef5-8fd4-d8aa552ea52c')

========================== row from database ==========================
                                              'id'  175859
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Natalie Merchant/10 - The Living.mp3
                                         'working'  None
                                         'bitrate'  186
                                    'duration_sec'  198
                                           'genre'  ifs-songwriter-rock
                                        'filesize'  4653474
                                           'mtime'  1636400370
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 10 ifs songwriter rock
                                      'tag_artist'  Natalie Merchant
                                     'tag_release'  Ophelia
                                       'tag_title'  The Living
                                             'bpm'  145.79
                                    'search_title'  'living':2 'the':1
                                   'search_artist'  'merchant':2 'natalie':1
                                  'search_release'  'ophelia':1
                                     'search_rest'  '00singer':1 'eos':3 'ifs':4 'rock':5 'songwriter':2
                                    'search_combo'  '00singer':6 'eos':8 'ifs':9 'living':2A 'merchant':4B 'natalie':3B 'ophelia':5C 'rock':10 'songwriter':7 'the':1A
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  4B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'Q-PIANO-3', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-3', 'q-syn-1', 'q-chart-3', 'q-other-1', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['alternative', 'female vocalists', 'pop', 'folk', 'singer songwriter']
                                        'tag_date'  1998
                                     'discogstags'  ['rock', 'folk rock', 'soft rock']

============================== file details ==============================
                                           'mtime'  1636400369.6038864  (2021-11-08 20:39:29)
                             'size'  4653474