======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '243'
                                          'artist'  'Wax Poetic'
                                     'text_people'  ''
                                         'release'  'Wax Poetic'
                                           'title'  'Angels'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['trip hop', 'downtempo', 'jazz', 'lounge', 'electronic', 'chillout']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '18'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '85.8'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'COMM:SoundJam_CDDB_1:eng'                          'F00B3512+2871+18+150+3135+21395+39800+58250+73850+78905+99565+106525+124230+128215+134985+138150+166035+168575+182053+186205+203380'
'COMM:SoundJam_CDDB_TrackNumber:eng'                '2'
'TALB' (Album/Movie/Show title)                     'Wax Poetic'
'TBPM' (BPM (beats per minute))                     '85.8'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TDOR' (Original release time)                      '2000'
'TDRC' (Recording time)                             '2000'
'TENC' (Encoded by)                                 'SoundJam v2.5.1'
'TIT2' (Title/songname/content description)         'Angels'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Wax Poetic'
'TRCK' (Track number/Position in set)               '2/18'
'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'                                   ['trip hop', 'downtempo', 'jazz', 'lounge', 'electronic', 'chillout']
'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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.17 dB'
'TXXX:replaygain_track_peak'                        '0.596677'

========================== row from database ==========================
                                              'id'  728355
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Seni/Wax Poeic - Angels.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  243
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  3898849
                                           'mtime'  1636910111
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Seni Poeic electronic trip hop or downtempo or acid jazz
                                      'tag_artist'  Wax Poetic
                                     'tag_release'  Wax Poetic
                                       'tag_title'  Angels
                                             'bpm'  85.8
                                    'search_title'  'angels':1
                                   'search_artist'  'poetic':2 'wax':1
                                  'search_release'  'poetic':2 'wax':1
                                     'search_rest'  'acid':8 'downtempo':7 'electronic':3 'hop':5 'jazz':9 'or':6 'poeic':2 'seni':1 'trip':4
                                    'search_combo'  'acid':13 'angels':1A 'downtempo':12 'electronic':8 'hop':10 'jazz':14 'or':11 'poeic':7 'poetic':3B,5C 'seni':6 'trip':9 'wax':2B,4C
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['trip hop', 'downtempo', 'jazz', 'lounge', 'electronic', 'chillout']
                                        'tag_date'  2000
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636910111.4190612  (2021-11-14 18:15:11)
                             'size'  3898849