======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '208'
                                          'artist'  'Birdy'
                                     'text_people'  ''
                                         'release'  'Beautiful Lies'
                                           'title'  'Keeping Your Head Up'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['indie', 'female vocalists', 'british', 'folk', 'singer songwriter']"
                                     'discogstags'  "['tribal', 'techno', 'electronic', 'tech house']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  '01'
                                            'date'  '2016'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '121.409'
                                             'key'  '1B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Beautiful Lies'
'TBPM' (BPM (beats per minute))                     '121.409'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TCOP' (Copyright message)                          ('℗ 2016 Jasmine Van Den Bogaerde under exclusive licence to Atlantic Records '
 'UK, a Warner Music Group company')
'TDRC' (Recording time)                             '2016'
'TENC' (Encoded by)                                 'Oz'
'TIT2' (Title/songname/content description)         'Keeping Your Head Up'
'TKEY' (Initial key)                                '1B'
'TPE1' (Lead performer(s)/Soloist(s))               'Birdy'
'TPE2' (Band/orchestra/accompaniment)               'Birdy'
'TPOS' (Part of a set)                              '01/01'
'TRCK' (Track number/Position in set)               '01/01'
'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'                                  ['tribal', 'techno', 'electronic', 'tech house']
'TXXX:lastfmtags'                                   ['indie', 'female vocalists', 'british', 'folk', 'singer songwriter']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.35 dB'
'TXXX:replaygain_track_peak'                        '0.359234'
'WXXX:'                                             WXXX(encoding=<Encoding.LATIN1: 0>, desc='', url='fb.com/HQMusiCOnlY')

========================== row from database ==========================
                                              'id'  1299394
                                            'path'  /data/Music/Bulk/00poprockelectronic/2016/Birdy - Keeping Your Head Up.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  208
                                           'genre'  ifs-songwriter
                                        'filesize'  8468914
                                           'mtime'  1637330710
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 2016 ifs songwriter
                                      'tag_artist'  Birdy
                                     'tag_release'  Beautiful Lies
                                       'tag_title'  Keeping Your Head Up
                                             'bpm'  121.409
                                    'search_title'  'head':3 'keeping':1 'up':4 'your':2
                                   'search_artist'  'birdy':1
                                  'search_release'  'beautiful':1 'lies':2
                                     'search_rest'  '00poprockelectronic':1 '2016':2 'ifs':3 'songwriter':4
                                    'search_combo'  '00poprockelectronic':8 '2016':9 'beautiful':6C 'birdy':5B 'head':3A 'ifs':10 'keeping':1A 'lies':7C 'songwriter':11 'up':4A 'your':2A
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  1B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', '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-2', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'female vocalists', 'british', 'folk', 'singer songwriter']
                                        'tag_date'  2016
                                     'discogstags'  ['tribal', 'techno', 'electronic', 'tech house']

============================== file details ==============================
                                           'mtime'  1637330710.3044245  (2021-11-19 15:05:10)
                             'size'  8468914