======================== unified (from filesystem) ========================
                                         'bitrate'  '127.985'
                                        'duration'  '216'
                                          'artist'  'Slade'
                                     'text_people'  ''
                                         'release'  'Fetenhits: Rock Classics'
                                           'title'  'Far, Far Away'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', "
 "'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-2']")
                                      'lastfmtags'  "['glam rock', '70s', 'rock', 'hard rock', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  '38'
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'rock-cppex'
                                             'bpm'  '114.544'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Fetenhits: Rock Classics'
'TBPM' (BPM (beats per minute))                     '114.544'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex'
'TDRC' (Recording time)                             '1998-11-23'
'TIT2' (Title/songname/content description)         'Far, Far Away'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Slade'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Polystar'
'TRCK' (Track number/Position in set)               '15/38'
'TSOP' (Performer sort order)                       'Slade'
'TSRC' (ISRC (international standard recording code))  'GBAKW7401001'
'TXXX:ALBUMARTISTSORT'                              'Various Artists'
'TXXX:ASIN'                                         'B0000240NJ'
'TXXX:BARCODE'                                      '731456525525'
'TXXX:CATALOGNUMBER'                                '565 255-2'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '3e9345a6-41af-4f39-b962-b368ff7e41b3'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '2e700147-56a3-416b-a95d-381ea42f947f'
'TXXX:MusicIP PUID'                                 '7308785a-a906-6f6d-a60b-0d76224dc129'
'TXXX:MusicMagic Data'                              'AgEAAue6qBqceIoZgJY/8F8FgAGCxobH95afD0oWie8Lv7qFlJoJ87HLqk6OeshkgNOkkzAplCZCX7fKhVqs6Pfe3IfMBuxzge2AAZlFoGi1C4MKB/5CB4jciIaEqvLinG5BSZT1/Cynx4oI/R6uh6+7wzmj94Mjg2/2vqfqCuG/+IWNvhX/Qu34rWLNP4uIglU='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:added_timestamp'                              '128930990202923527'
'TXXX:lastfmtags'                                   ['glam rock', '70s', 'rock', 'hard rock', 'classic rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.38 dB'
'TXXX:replaygain_track_peak'                        '0.464922'

========================== row from database ==========================
                                              'id'  1341070
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/top, dance, club, best of, etc/Far Far Away.mp3
                                         'working'  None
                                         'bitrate'  127
                                    'duration_sec'  216
                                           'genre'  rock-cppex
                                        'filesize'  3474276
                                           'mtime'  1620737444
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted top, dance, club, best of, etc rock cppex
                                      'tag_artist'  Slade
                                     'tag_release'  Fetenhits: Rock Classics
                                       'tag_title'  Far, Far Away
                                             'bpm'  114.544
                                    'search_title'  'away':3 'far':1,2
                                   'search_artist'  'slade':1
                                  'search_release'  'classics':4 'fetenhits':1,2 'rock':3
                                     'search_rest'  '00poprockelectronic':1 'best':9 'club':7,8 'cppex':14 'dance':5,6 'etc':12 'of':10,11 'rock':13 'top':3,4 'unsorted':2
                                    'search_combo'  '00poprockelectronic':9 'away':3A 'best':17 'classics':8C 'club':15,16 'cppex':22 'dance':13,14 'etc':20 'far':1A,2A 'fetenhits':5C,6C 'of':18,19 'rock':7C,21 'slade':4B 'top':11,12 'unsorted':10
                                    'tag_tracknum'  15
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['glam rock', '70s', 'rock', 'hard rock', 'classic rock']
                                        'tag_date'  1998
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737443.6217906  (2021-05-11 14:50:43)
                             'size'  3474276