======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '188'
                                          'artist'  'Belle & Sebastian'
                                     'text_people'  ''
                                         'release'  'Dear Catastrophe Waitress'
                                           'title'  "You Don't Send Me"
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'indie pop', 'alternative', 'pop', 'scottish']"
                                     'discogstags'  "['rock', 'pop', 'indie rock', 'indie pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-rock'
                                             'bpm'  '135.004'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:o\x1c\x00\x00'                   PRIV(owner='AverageLevel', data=b'o\x1c\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'TALB' (Album/Movie/Show title)                     'Dear Catastrophe Waitress'
'TBPM' (BPM (beats per minute))                     '135.004'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-rock'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         "You Don't Send Me"
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Belle and Sebastian'
'TPE2' (Band/orchestra/accompaniment)               'Belle & Sebastian'
'TRCK' (Track number/Position in set)               '7'
'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', 'pop', 'indie rock', 'indie pop']
'TXXX:lastfmtags'                                   ['indie', 'indie pop', 'alternative', 'pop', 'scottish']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.11 dB'
'TXXX:replaygain_track_peak'                        '0.489095'

========================== row from database ==========================
                                              'id'  1510720
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Belle and Sebastian - Belle & Sebastian/Dear Catastrophe Waitress/Belle & Sebastian-Dear Catastrophe Waitress-07-You Don_t Send Me.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  188
                                           'genre'  ifs-songwriter-rock
                                        'filesize'  4519457
                                           'mtime'  1638563023
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos and 07 Don_t ifs songwriter rock
                                      'tag_artist'  Belle & Sebastian
                                     'tag_release'  Dear Catastrophe Waitress
                                       'tag_title'  You Don't Send Me
                                             'bpm'  135.004
                                    'search_title'  'don':2 'dont':4 'me':6 'send':5 't':3 'you':1
                                   'search_artist'  'belle':1 'sebastian':2
                                  'search_release'  'catastrophe':2 'dear':1 'waitress':3
                                     'search_rest'  '00singer':1 'and':4 'don':5 'eos':3 'ifs':7 'rock':8 'songwriter':2 't':6
                                    'search_combo'  '00singer':12 'and':15 'belle':7B 'catastrophe':10C 'dear':9C 'don':2A,16 'dont':4A 'eos':14 'ifs':18 'me':6A 'rock':19 'sebastian':8B 'send':5A 'songwriter':13 't':3A,17 'waitress':11C 'you':1A
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  12B
                                           '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-4', 'q-syn-2', 'q-chart-4', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'indie pop', 'alternative', 'pop', 'scottish']
                                        'tag_date'  2003
                                     'discogstags'  ['rock', 'pop', 'indie rock', 'indie pop']

============================== file details ==============================
                                           'mtime'  1638563023.261874  (2021-12-03 21:23:43)
                             'size'  4519457