======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '208'
                                          'artist'  'Allah-Las'
                                     'text_people'  ''
                                         'release'  'Allah-Las'
                                           'title'  "Busman's Holiday"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['surf', 'garage rock', 'psychedelic rock', 'psychedelic', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '12'
                                            'date'  '2012'
                                        'comments'  ''
                                           'genre'  'rock-pop-surf'
                                             'bpm'  '132'
                                             'key'  '12B'
                                        'acoustid'  '11b25640-ddc9-4a81-92bf-cd2f3b9e04c8'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Allah-Las'
'TBPM' (BPM (beats per minute))                     '132'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-surf'
'TDOR' (Original release time)                      '2012'
'TDRC' (Recording time)                             '2012-09-18'
'TIT2' (Title/songname/content description)         "Busman's Holiday"
'TKEY' (Initial key)                                '12B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Allah-Las'
'TPE2' (Band/orchestra/accompaniment)               'Allah-Las'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Innovative Leisure Records'
'TRCK' (Track number/Position in set)               '3/12'
'TSO2'                                              'Allah-Las'
'TSOP' (Performer sort order)                       'Allah-Las'
'TXXX:ASIN'                                         'B008NCW87U'
'TXXX:Acoustid Id'                                  '11b25640-ddc9-4a81-92bf-cd2f3b9e04c8'
'TXXX:CATALOGNUMBER'                                '2007'
'TXXX:MusicBrainz Album Artist Id'                  'cfd1fdcc-3c1d-4854-a500-31d96a6d5184'
'TXXX:MusicBrainz Album Id'                         'bad4c9ec-4bcb-42a2-bdbf-b47888550ecb'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'cfd1fdcc-3c1d-4854-a500-31d96a6d5184'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['surf', 'garage rock', 'psychedelic rock', 'psychedelic', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'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'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.17 dB'
'TXXX:replaygain_track_peak'                        '0.311037'

========================== row from database ==========================
                                              'id'  1521973
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/allah-las [2012] - allah las/03 busman_s holiday.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  208
                                           'genre'  rock-pop-surf
                                        'filesize'  12177345
                                           'mtime'  1620736885
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy allah las [2012] allah las 03 busman_s holiday rock pop surf
                                      'tag_artist'  Allah-Las
                                     'tag_release'  Allah-Las
                                       'tag_title'  Busman's Holiday
                                             'bpm'  132.0
                                    'search_title'  'busman':1 'busmans':3 'holiday':4 's':2
                                   'search_artist'  'allah':1 'allahlas':3 'las':2
                                  'search_release'  'allah':1 'allahlas':3 'las':2
                                     'search_rest'  '2012':4,5 'allah':2 'busman':6 'classicprogpsy':1 'holiday':8 'las':3 'pop':10 'rock':9 's':7 'surf':11
                                    'search_combo'  '2012':14,15 'allah':5B,8C,12 'allahlas':7B,10C 'busman':1A,16 'busmans':3A 'classicprogpsy':11 'holiday':4A,18 'las':6B,9C,13 'pop':20 'rock':19 's':2A,17 'surf':21
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['surf', 'garage rock', 'psychedelic rock', 'psychedelic', 'rock']
                                        'tag_date'  2012
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620736884.895255  (2021-05-11 14:41:24)
                             'size'  12177345