======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '243'
                                          'artist'  'Grandaddy'
                                     'text_people'  ''
                                         'release'  'Sumday'
                                           'title'  "The Group Who Couldn't Say"
                                           'quals'  ("['Q-HAP-3', '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-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'indie pop', 'alternative', 'indie rock', 'rock']"
                                     'discogstags'  "['rock', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '12'
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '110.724'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'COMM:CDDB Disc ID:XXX'                             'B10FFA0D'
'COMM:ID3v1 Comment:XXX'                            'B10FFA0D'
'TALB' (Album/Movie/Show title)                     'Sumday'
'TBPM' (BPM (beats per minute))                     '110.724'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         "The Group Who Couldn't Say"
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Grandaddy'
'TRCK' (Track number/Position in set)               '4/12'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.81.03, External encoder lame.exe (%s %d -b 128) '
'TXXX:Q-HAP'                                        '3'
'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', 'indie pop', 'alternative', 'indie rock', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'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'                        '-0.95 dB'
'TXXX:replaygain_track_peak'                        '0.591188'

========================== row from database ==========================
                                              'id'  1498930
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Grandaddy/Sumday/Grandaddy - The Group Who Couldn_t Say - 04.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  243
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  3900695
                                           'mtime'  1621697513
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos Couldn_t 04 ifs songwriter indie rock
                                      'tag_artist'  Grandaddy
                                     'tag_release'  Sumday
                                       'tag_title'  The Group Who Couldn't Say
                                             'bpm'  110.724
                                    'search_title'  'couldn':4 'couldnt':6 'group':2 'say':7 't':5 'the':1 'who':3
                                   'search_artist'  'grandaddy':1
                                  'search_release'  'sumday':1
                                     'search_rest'  '00singer':1 'couldn':4 'eos':3 'ifs':6 'indie':7 'rock':8 'songwriter':2 't':5
                                    'search_combo'  '00singer':10 'couldn':4A,13 'couldnt':6A 'eos':12 'grandaddy':8B 'group':2A 'ifs':15 'indie':16 'rock':17 'say':7A 'songwriter':11 'sumday':9C 't':5A,14 'the':1A 'who':3A
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  8A
                                           '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-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'indie pop', 'alternative', 'indie rock', 'rock']
                                        'tag_date'  2003
                                     'discogstags'  ['rock', 'indie rock']

============================== file details ==============================
                                           'mtime'  1621697512.855747  (2021-05-22 17:31:52)
                             'size'  3900695