======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '190'
                                          'artist'  'Awkward I'
                                     'text_people'  ''
                                         'release'  'I Really Should Whisper'
                                           'title'  'I Really Should Whisper'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'under 2000 listeners', 'singer songwriter', 'folk', 'dutch']"
                                     'discogstags'  "['rock', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted'
                                             'bpm'  '145.895'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'I Really Should Whisper'
'TBPM' (BPM (beats per minute))                     '145.895'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-unsorted'
'TDRC' (Recording time)                             '2009'
'TIT2' (Title/songname/content description)         'I Really Should Whisper'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Awkward I'
'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', 'indie rock']
'TXXX:lastfmtags'                                   ['indie', 'under 2000 listeners', 'singer songwriter', 'folk', 'dutch']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.32 dB'
'TXXX:replaygain_track_peak'                        '0.359893'

========================== row from database ==========================
                                              'id'  1267373
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Awkward I/I Really Should Whisper/awkward_i_-_i_really_should_whisper_-_07_-_i_really_should_whisper.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  190
                                           'genre'  ifs-songwriter-indie-unsorted
                                        'filesize'  4568983
                                           'mtime'  1638554791
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos awkward_i_ _i_really_should_whisper_ _07_ _i_really_should_whisper ifs songwriter indie unsorted
                                      'tag_artist'  Awkward I
                                     'tag_release'  I Really Should Whisper
                                       'tag_title'  I Really Should Whisper
                                             'bpm'  145.895
                                    'search_title'  'i':1 'really':2 'should':3 'whisper':4
                                   'search_artist'  'awkward':1 'i':2
                                  'search_release'  'i':1 'really':2 'should':3 'whisper':4
                                     'search_rest'  '00singer':1 '07':10 'awkward':4 'eos':3 'i':5,6,11 'ifs':15 'indie':16 'really':7,12 'should':8,13 'songwriter':2 'unsorted':17 'whisper':9,14
                                    'search_combo'  '00singer':11 '07':20 'awkward':5B,14 'eos':13 'i':1A,6B,7C,15,16,21 'ifs':25 'indie':26 'really':2A,8C,17,22 'should':3A,9C,18,23 'songwriter':12 'unsorted':27 'whisper':4A,10C,19,24
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  8A
                                           '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-1', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'under 2000 listeners', 'singer songwriter', 'folk', 'dutch']
                                        'tag_date'  2009
                                     'discogstags'  ['rock', 'indie rock']

============================== file details ==============================
                                           'mtime'  1638554790.6933012  (2021-12-03 19:06:30)
                             'size'  4568983