======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '165'
                                          'artist'  'the wades'
                                     'text_people'  ''
                                         'release'  'greatest hits [csr070]'
                                           'title'  'dear, sweet november'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-4', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '02'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '99.9'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:>\x19\x00\x00'                   PRIV(owner='AverageLevel', data=b'>\x19\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'TALB' (Album/Movie/Show title)                     'greatest hits [csr070]'
'TBPM' (BPM (beats per minute))                     '99.9'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'dear, sweet november'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'the wades'
'TRCK' (Track number/Position in set)               '02'
'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:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '+2.16 dB'
'TXXX:replaygain_track_peak'                        '0.303297'

========================== row from database ==========================
                                              'id'  722708
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Comfort Stand/csr070/csr070_the-wades_greatest-hits_02_dear-sweet-november.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  165
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  3965785
                                           'mtime'  1637330323
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Comfort Stand csr070_the wades_greatest hits_02_dear ifs songwriter indie rock
                                      'tag_artist'  the wades
                                     'tag_release'  greatest hits [csr070]
                                       'tag_title'  dear, sweet november
                                             'bpm'  99.9
                                    'search_title'  'dear':1,2 'november':4 'sweet':3
                                   'search_artist'  'the':1 'wades':2
                                  'search_release'  'csr070':3,4 'greatest':1 'hits':2
                                     'search_rest'  '02':8 'comfort':1 'csr070':3 'dear':9 'greatest':6 'hits':7 'ifs':10 'indie':12 'rock':13 'songwriter':11 'stand':2 'the':4 'wades':5
                                    'search_combo'  '02':18 'comfort':11 'csr070':9C,10C,13 'dear':1A,2A,19 'greatest':7C,16 'hits':8C,17 'ifs':20 'indie':22 'november':4A 'rock':23 'songwriter':21 'stand':12 'sweet':3A 'the':5B,14 'wades':6B,15
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-4', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637330322.525529  (2021-11-19 14:58:42)
                             'size'  3965785