======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '329'
                                          'artist'  'Bradford Reed'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'psycho driver'
                                           'quals'  ("['Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', "
 "'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-1', "
 "'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-1']")
                                      'lastfmtags'  "['electrique bleu', 'one man band', 'percussive', 'pencilina', 'asciiecho']"
                                     'discogstags'  "['experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '07'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  ''
                                             'bpm'  '135.004'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '135.004'
'TIT2' (Title/songname/content description)         'psycho driver'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bradford Reed'
'TRCK' (Track number/Position in set)               '07'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'experimental'
'TXXX:lastfmtags'                                   ['electrique bleu', 'one man band', 'percussive', 'pencilina', 'asciiecho']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.33 dB'
'TXXX:replaygain_track_peak'                        '0.513329'

========================== row from database ==========================
                                              'id'  984557
                                            'path'  /data/Music/Bulk/00localcharacter/bradford reed - 2001 - the stars my destination/07 - psycho driver.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  329
                                           'genre'  
                                        'filesize'  7921636
                                           'mtime'  1658699485
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter bradford reed 2001 the stars my destination 07
                                      'tag_artist'  Bradford Reed
                                     'tag_release'  None
                                       'tag_title'  psycho driver
                                             'bpm'  135.004
                                    'search_title'  'driver':2 'psycho':1
                                   'search_artist'  'bradford':1 'reed':2
                                  'search_release'  
                                     'search_rest'  '2001':3 'bradford':1 'destination':7 'my':6 'reed':2 'stars':5 'the':4
                                    'search_combo'  '2001':7 'bradford':3B,5 'destination':11 'driver':2A 'my':10 'psycho':1A 'reed':4B,6 'stars':9 'the':8
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-1', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-1']
                                      'lastfmtags'  ['electrique bleu', 'one man band', 'percussive', 'pencilina', 'asciiecho']
                                        'tag_date'  
                                     'discogstags'  ['experimental']

============================== file details ==============================
                                           'mtime'  1658699484.8405852  (2022-07-24 23:51:24)
                             'size'  7921636