======================== unified (from filesystem) ========================
                                         'bitrate'  '258.741'
                                        'duration'  '151'
                                          'artist'  'Grandaddy'
                                     'text_people'  ''
                                         'release'  'Under The Western Freeway'
                                           'title'  'Go Progress Chrome'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-4', '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'  '9'
                                      'tracktotal'  '11'
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '125.470'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 00000896 000007A4 00002992'
'COMM:iTunNORM:eng'                                 (' 00000896 000007A4 00002992 00002B89 000185EB 000185EB 00006FA9 0000723B '
 '000185EB 000185EB')
'TALB' (Album/Movie/Show title)                     'Under The Western Freeway'
'TBPM' (BPM (beats per minute))                     '125.470'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         'Go Progress Chrome'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Grandaddy'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '9/11'
'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'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.31 dB'
'TXXX:replaygain_track_peak'                        '0.384548'

========================== row from database ==========================
                                              'id'  1259258
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Grandaddy/Grandaddy - Under The Western Freeway (1997)/09 Go Progress Chrome.mp3
                                         'working'  None
                                         'bitrate'  258
                                    'duration_sec'  151
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  4916543
                                           'mtime'  1621697508
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos (1997) 09 ifs songwriter indie rock
                                      'tag_artist'  Grandaddy
                                     'tag_release'  Under The Western Freeway
                                       'tag_title'  Go Progress Chrome
                                             'bpm'  125.47
                                    'search_title'  'chrome':3 'go':1 'progress':2
                                   'search_artist'  'grandaddy':1
                                  'search_release'  'freeway':4 'the':2 'under':1 'western':3
                                     'search_rest'  '00singer':1 '1997':4,5 'eos':3 'ifs':6 'indie':7 'rock':8 'songwriter':2
                                    'search_combo'  '00singer':9 '1997':12,13 'chrome':3A 'eos':11 'freeway':8C 'go':1A 'grandaddy':4B 'ifs':14 'indie':15 'progress':2A 'rock':16 'songwriter':10 'the':6C 'under':5C 'western':7C
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  7B
                                           '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-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'indie pop', 'alternative', 'indie rock', 'rock']
                                        'tag_date'  1997
                                     'discogstags'  ['rock', 'indie rock']

============================== file details ==============================
                                           'mtime'  1621697507.779343  (2021-05-22 17:31:47)
                             'size'  4916543