======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '272'
                                          'artist'  'Bradford Reed'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'breakfast at radio shack'
                                           '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-3', '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'  '01'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  ''
                                             'bpm'  '100.555'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '100.555'
'TIT2' (Title/songname/content description)         'breakfast at radio shack'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bradford Reed'
'TRCK' (Track number/Position in set)               '01'
'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'                                      '3'
'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'                        '+0.62 dB'
'TXXX:replaygain_track_peak'                        '0.541322'

========================== row from database ==========================
                                              'id'  984580
                                            'path'  /data/Music/Bulk/00localcharacter/bradford reed - 2001 - the stars my destination/01 - breakfast at radio shack.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  272
                                           'genre'  
                                        'filesize'  6535486
                                           'mtime'  1658699485
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter bradford reed 2001 the stars my destination 01
                                      'tag_artist'  Bradford Reed
                                     'tag_release'  None
                                       'tag_title'  breakfast at radio shack
                                             'bpm'  100.555
                                    'search_title'  'at':2 'breakfast':1 'radio':3 'shack':4
                                   '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':9 'at':2A 'bradford':5B,7 'breakfast':1A 'destination':13 'my':12 'radio':3A 'reed':6B,8 'shack':4A 'stars':11 'the':10
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  4A
                                           '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-3', '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'  1658699484.5285566  (2022-07-24 23:51:24)
                             'size'  6535486