======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '514'
                                          'artist'  'Vibrasphere'
                                     'text_people'  ''
                                         'release'  'Selected Downbeats Vol. 2'
                                           'title'  'Late Winter Storms'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  ("['psytrance', 'trance', 'chillout', 'progressive trance', 'ambient', "
 "'psychedelic']")
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '93.4'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'POPM:no@email'                                     POPM(email='no@email', rating=128, count=0)
'TALB' (Album/Movie/Show title)                     'Selected Downbeats Vol. 2'
'TBPM' (BPM (beats per minute))                     '93.4'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDRC' (Recording time)                             '2009'
'TIT1' (Content group description)                  '3'
'TIT2' (Title/songname/content description)         'Late Winter Storms'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Vibrasphere'
'TRCK' (Track number/Position in set)               '3'
'TXXX:DATE'                                         '2009'
'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'                                  'electronic'
'TXXX:lastfmtags'                                   ['psytrance',
 'trance',
 'chillout',
 'progressive trance',
 'ambient',
 'psychedelic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.87 dB'
'TXXX:replaygain_track_peak'                        '0.667881'

========================== row from database ==========================
                                              'id'  1329978
                                            'path'  /data/Music/Bulk/00poprockelectronic/Chronos - chillout-dub/Vibrasphere - Late Winter Storms.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  514
                                           'genre'  electronic
                                        'filesize'  20573810
                                           'mtime'  1636913948
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Chronos chillout dub electronic
                                      'tag_artist'  Vibrasphere
                                     'tag_release'  Selected Downbeats Vol. 2
                                       'tag_title'  Late Winter Storms
                                             'bpm'  93.4
                                    'search_title'  'late':1 'storms':3 'winter':2
                                   'search_artist'  'vibrasphere':1
                                  'search_release'  '2':5 'downbeats':2 'selected':1 'vol':3,4
                                     'search_rest'  '00poprockelectronic':1 'chillout':3 'chronos':2 'dub':4 'electronic':5
                                    'search_combo'  '00poprockelectronic':10 '2':9C 'chillout':12 'chronos':11 'downbeats':6C 'dub':13 'electronic':14 'late':1A 'selected':5C 'storms':3A 'vibrasphere':4B 'vol':7C,8C 'winter':2A
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['psytrance', 'trance', 'chillout', 'progressive trance', 'ambient', 'psychedelic']
                                        'tag_date'  2009
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636913948.2477856  (2021-11-14 19:19:08)
                             'size'  20573810