======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '238'
                                          'artist'  'Dazz Band'
                                     'text_people'  ''
                                         'release'  'Best of Formel Eins: Die Kulthits'
                                           'title'  'Let It All Blow'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-JZFKS-3', 'Q-HHRNBTT-2', 'Q-UNU-1', 'Q-OLDST-3', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', "
 "'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'rnb', 'soul', 'funk', 'disco']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  '18'
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted'
                                             'bpm'  '115.655'
                                             'key'  '6A'
                                        'acoustid'  'dea5ecd4-57a6-429c-a00a-12f9c740a274'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Best of Formel Eins: Die Kulthits'
'TBPM' (BPM (beats per minute))                     '115.655'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-unsorted'
'TDOR' (Original release time)                      '2002'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Let It All Blow'
'TKEY' (Initial key)                                '6A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Dazz Band'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '4/4'
'TPUB' (Publisher)                                  'Universal Music Germany'
'TRCK' (Track number/Position in set)               '16/18'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Dazz Band'
'TXXX:Acoustid Id'                                  'dea5ecd4-57a6-429c-a00a-12f9c740a274'
'TXXX:CATALOGNUMBER'                                '583 519-2'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         'f6063250-ff66-4fc8-8713-02b486b43c33'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        'c2a071d2-1dfc-4574-b9eb-9bd779fd0c7f'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['80s', 'rnb', 'soul', 'funk', 'disco']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+2.08 dB'
'TXXX:replaygain_track_peak'                        '0.351513'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'f0d73fc4-6265-472b-ac38-c8f45e87a84d')

========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/00poprockelectronic/Formel_ Eins/Die Kulthits CD 4/Best_Of_Formel_Eins_-_Die_Kulthits_CD_4_-_16_-_Let_It_All_Blow.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  238
                                           'genre'  electronic-generic or radio-unsorted
                                        'filesize'  5730397
                                           'mtime'  1620569532
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Formel_ CD 4 Best_Of_Formel_Eins_ _Die_Kulthits_CD_4_ _16_ _Let_It_All_Blow electronic generic radio unsorted
                                      'tag_artist'  Dazz Band
                                     'tag_release'  Best of Formel Eins: Die Kulthits
                                       'tag_title'  Let It All Blow
                                             'bpm'  115.655
                                    'search_title'  'all':3 'blow':4 'it':2 'let':1
                                   'search_artist'  'band':2 'dazz':1
                                  'search_release'  'best':1 'die':6 'eins':4,5 'formel':3 'kulthits':7 'of':2
                                     'search_rest'  '00poprockelectronic':1 '16':13 '4':4,12 'all':16 'best':5 'blow':17 'cd':3,11 'die':9 'eins':8 'electronic':18 'formel':2,7 'generic':19 'it':15 'kulthits':10 'let':14 'of':6 'radio':20 'unsorted':21
                                    'search_combo'  '00poprockelectronic':14 '16':26 '4':17,25 'all':3A,29 'band':6B 'best':7C,18 'blow':4A,30 'cd':16,24 'dazz':5B 'die':12C,22 'eins':10C,11C,21 'electronic':31 'formel':9C,15,20 'generic':32 'it':2A,28 'kulthits':13C,23 'let':1A,27 'of':8C,19 'radio':33 'unsorted':34
                                    'tag_tracknum'  16
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-1', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'rnb', 'soul', 'funk', 'disco']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620569532.065656  (2021-05-09 16:12:12)
                             'size'  5730397