======================== unified (from filesystem) ========================
                                         'bitrate'  '252.441'
                                        'duration'  '501'
                                          'artist'  'Reverberation'
                                     'text_people'  ''
                                         'release'  'New Soul (Reverberation Remixes By Muslimgauze)'
                                           'title'  'Blue E.'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-3', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-4', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['allah las', 'drum and bass', 'space rock', 'psychedelic rock', 'rock']"
                                     'discogstags'  "['electronic', 'dub', 'experimental', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '5'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'loc-m'
                                             'bpm'  '124.087'
                                             'key'  '9A'
                                        'acoustid'  '5c845ba8-29c8-4d21-8e87-d9bda36acebb'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'New Soul (Reverberation Remixes By Muslimgauze)'
'TBPM' (BPM (beats per minute))                     '124.087'
'TCON' (Content type, a.k.a. Genre)                 'loc-m'
'TDRC' (Recording time)                             '2000-03-27'
'TIT2' (Title/songname/content description)         'Blue E.'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Reverberation'
'TPE2' (Band/orchestra/accompaniment)               'Reverberation'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '1/5'
'TSO2'                                              'Reverberation'
'TSOP' (Performer sort order)                       'Reverberation'
'TXXX:Acoustid Id'                                  '5c845ba8-29c8-4d21-8e87-d9bda36acebb'
'TXXX:BARCODE'                                      '5023693004624'
'TXXX:CATALOGNUMBER'                                'STONE 046CD'
'TXXX:LABEL'                                        '3rd Stone Records'
'TXXX:MEDIA'                                        'CD'
'TXXX:MusicBrainz Album Artist Id'                  'd2dd9148-d893-4b5e-b8f4-5acd8b25ddd1'
'TXXX:MusicBrainz Album Id'                         '33be9223-cdde-456d-b679-c4532f4c5dac'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'single'
'TXXX:MusicBrainz Artist Id'                        'd2dd9148-d893-4b5e-b8f4-5acd8b25ddd1'
'TXXX:MusicBrainz Track Id'                         '075787dc-553a-4322-b021-bd2da290911a'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '4'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '3'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['electronic', 'dub', 'experimental', 'ambient']
'TXXX:lastfmtags'                                   ['allah las', 'drum and bass', 'space rock', 'psychedelic rock', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.85 dB'
'TXXX:replaygain_track_peak'                        '0.345333'

========================== row from database ==========================
                                              'id'  1111466
                                            'path'  /data/Music/Bulk/00localcharacter/Muslimgauze/New Soul/01 Blue E..mp3
                                         'working'  None
                                         'bitrate'  252
                                    'duration_sec'  501
                                           'genre'  loc-m
                                        'filesize'  15880162
                                           'mtime'  1620527392
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 01 loc
                                      'tag_artist'  Reverberation
                                     'tag_release'  New Soul (Reverberation Remixes By Muslimgauze)
                                       'tag_title'  Blue E.
                                             'bpm'  124.087
                                    'search_title'  'blue':1 'e':2,3
                                   'search_artist'  'reverberation':1
                                  'search_release'  'by':6 'muslimgauze':7,8 'new':1 'remixes':5 'reverberation':3,4 'soul':2
                                     'search_rest'  'loc':1
                                    'search_combo'  'blue':1A 'by':10C 'e':2A,3A 'loc':13 'muslimgauze':11C,12C 'new':5C 'remixes':9C 'reverberation':4B,7C,8C 'soul':6C
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-4', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['allah las', 'drum and bass', 'space rock', 'psychedelic rock', 'rock']
                                        'tag_date'  2000
                                     'discogstags'  ['electronic', 'dub', 'experimental', 'ambient']

============================== file details ==============================
                                           'mtime'  1620527391.816525  (2021-05-09 04:29:51)
                             'size'  15880162