======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '231'
                                          'artist'  'Suzanne Vega'
                                     'text_people'  ''
                                         'release'  'Solitude Standing'
                                           'title'  'Luka'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['alternative', 'female vocalists', 'pop', 'folk', 'singer songwriter']"
                                     'discogstags'  "['rock', 'pop', 'acoustic', 'soft rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '11'
                                            'date'  '1987'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '125'
                                             'key'  '2B'
                                        'acoustid'  '8770f3ed-5fc2-409d-a2b0-a3821f48c432'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Solitude Standing'
'TBPM' (BPM (beats per minute))                     '125'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDOR' (Original release time)                      '1987'
'TDRC' (Recording time)                             '1987'
'TIT2' (Title/songname/content description)         'Luka'
'TKEY' (Initial key)                                '2B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Suzanne Vega'
'TPE2' (Band/orchestra/accompaniment)               'Suzanne Vega'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'A&M Records, Inc.'
'TRCK' (Track number/Position in set)               '2/11'
'TSO2'                                              'Vega, Suzanne'
'TSOP' (Performer sort order)                       'Vega, Suzanne'
'TSRC' (ISRC (international standard recording code))  'USAM18704255/USAM18790002'
'TXXX:Acoustid Id'                                  '8770f3ed-5fc2-409d-a2b0-a3821f48c432'
'TXXX:Artists'                                      'Suzanne Vega'
'TXXX:CATALOGNUMBER'                                'CD 5136'
'TXXX:MusicBrainz Album Artist Id'                  'cf119120-7df5-47d7-9dec-49f8837a4e40'
'TXXX:MusicBrainz Album Id'                         '32648dde-75d9-4d01-87f2-286413e39b0a'
'TXXX:MusicBrainz Album Release Country'            'CA'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'cf119120-7df5-47d7-9dec-49f8837a4e40'
'TXXX:MusicBrainz Release Group Id'                 'b53a036b-06c6-3d94-82a3-092598b44675'
'TXXX:MusicBrainz Release Track Id'                 '65863b9a-9c94-4edf-9244-f2824fe3c588'
'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:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['rock', 'pop', 'acoustic', 'soft rock']
'TXXX:lastfmtags'                                   ['alternative', 'female vocalists', 'pop', 'folk', 'singer songwriter']
'TXXX:originalyear'                                 '1987'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.41 dB'
'TXXX:replaygain_track_peak'                        '0.600505'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'648bcde3-b426-467d-83c6-ef05e98bbcdc')

========================== row from database ==========================
                                              'id'  196512
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Suzanne Vega/Solitude Standing/02 - Luka.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  231
                                           'genre'  ifs-songwriter
                                        'filesize'  9284878
                                           'mtime'  1628357171
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 02 ifs songwriter
                                      'tag_artist'  Suzanne Vega
                                     'tag_release'  Solitude Standing
                                       'tag_title'  Luka
                                             'bpm'  125.0
                                    'search_title'  'luka':1
                                   'search_artist'  'suzanne':1 'vega':2
                                  'search_release'  'solitude':1 'standing':2
                                     'search_rest'  '00singer':1 'eos':3 'ifs':4 'songwriter':2
                                    'search_combo'  '00singer':6 'eos':8 'ifs':9 'luka':1A 'solitude':4C 'songwriter':7 'standing':5C 'suzanne':2B 'vega':3B
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  2B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['alternative', 'female vocalists', 'pop', 'folk', 'singer songwriter']
                                        'tag_date'  1987
                                     'discogstags'  ['rock', 'pop', 'acoustic', 'soft rock']

============================== file details ==============================
                                           'mtime'  1628357171.270434  (2021-08-07 19:26:11)
                             'size'  9284878