======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '172'
                                          'artist'  'Klaus Wunderlich'
                                     'text_people'  ''
                                         'release'  'Sound 2000 (Moog-Organ-Rhythm)'
                                           'title'  'Felicidade (Adieu Tristesse) From "Orfeu Negro"'
                                           'quals'  ("['Q-HAP-3', 'Q-PLAY-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-UNU-1', 'Q-OLDST-2', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-1', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['lounge', 'hammond organ', 'hammond heaven', 'organ', 'easy listening']"
                                     'discogstags'  "['electronic', 'jazz', 'pop', 'easy listening']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '12'
                                            'date'  '1973'
                                        'comments'  ''
                                           'genre'  'mi-earlysynth-organ;entertaining-why do i keep this'
                                             'bpm'  '112.4'
                                             'key'  '6A'
                                        'acoustid'  'd1e472f1-d0f5-422f-9c7f-17212a763c03'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Sound 2000 (Moog-Organ-Rhythm)'
'TBPM' (BPM (beats per minute))                     '112.4'
'TCON' (Content type, a.k.a. Genre)                 ['mi-earlysynth-organ', 'entertaining-why do i keep this']
'TDOR' (Original release time)                      '1973'
'TDRC' (Recording time)                             '1973'
'TIT2' (Title/songname/content description)         'Felicidade (Adieu Tristesse) From "Orfeu Negro"'
'TKEY' (Initial key)                                '6A'
'TMED' (Media type)                                 '12" Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'Klaus Wunderlich'
'TPE2' (Band/orchestra/accompaniment)               'Klaus Wunderlich'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Telefunken'
'TRCK' (Track number/Position in set)               '5/12'
'TSO2'                                              'Wunderlich, Klaus'
'TSOP' (Performer sort order)                       'Wunderlich, Klaus'
'TXXX:Acoustid Id'                                  'd1e472f1-d0f5-422f-9c7f-17212a763c03'
'TXXX:CATALOGNUMBER'                                'SLE 14 715-P'
'TXXX:MusicBrainz Album Artist Id'                  '573e31a9-d1ea-4a18-b539-847a5a1945ad'
'TXXX:MusicBrainz Album Id'                         'faa86151-841e-41d8-8866-88f7d4e18ddf'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Artist Id'                        '573e31a9-d1ea-4a18-b539-847a5a1945ad'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['electronic', 'jazz', 'pop', 'easy listening']
'TXXX:lastfmtags'                                   ['lounge', 'hammond organ', 'hammond heaven', 'organ', 'easy listening']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.09 dB'
'TXXX:replaygain_track_peak'                        '0.733819'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'ee2d785a-7678-45bf-b8bd-d3f6a46ccea1')

========================== row from database ==========================
                                              'id'  1295799
                                            'path'  /data/Music/Bulk/00spent/0justbad/Klaus Wunderlich/klaus wunderlich-sound 2000 moog organ rhythm-lp-1973/05. Felicidade.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  172
                                           'genre'  mi-earlysynth-organ;entertaining-why do i keep this
                                        'filesize'  4154849
                                           'mtime'  1620527321
                                   'redo_metaread'  0
                                        'rest_str'   00spent 0justbad klaus wunderlich sound moog organ rhythm lp 1973 05. mi earlysynth organ;entertaining why do keep this
                                      'tag_artist'  Klaus Wunderlich
                                     'tag_release'  Sound 2000 (Moog-Organ-Rhythm)
                                       'tag_title'  Felicidade (Adieu Tristesse) From "Orfeu Negro"
                                             'bpm'  112.4
                                    'search_title'  'adieu':2,3 'felicidade':1 'from':6 'negro':8 'orfeu':7 'tristesse':4,5
                                   'search_artist'  'klaus':1 'wunderlich':2
                                  'search_release'  '2000':2 'moog':3 'moogorganrhythm':6 'organ':4 'rhythm':5 'sound':1
                                     'search_rest'  '00spent':1 '05':11,12 '0justbad':2 '1973':10 'do':20 'earlysynth':14 'entertaining':16,18 'keep':21 'klaus':3 'lp':9 'mi':13 'moog':6 'organ':7,15,17 'rhythm':8 'sound':5 'this':22 'why':19 'wunderlich':4
                                    'search_combo'  '00spent':17 '05':27,28 '0justbad':18 '1973':26 '2000':12C 'adieu':2A,3A 'do':36 'earlysynth':30 'entertaining':32,34 'felicidade':1A 'from':6A 'keep':37 'klaus':9B,19 'lp':25 'mi':29 'moog':13C,22 'moogorganrhythm':16C 'negro':8A 'orfeu':7A 'organ':14C,23,31,33 'rhythm':15C,24 'sound':11C,21 'this':38 'tristesse':4A,5A 'why':35 'wunderlich':10B,20
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-3', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'Q-PLAY-1', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['lounge', 'hammond organ', 'hammond heaven', 'organ', 'easy listening']
                                        'tag_date'  1973
                                     'discogstags'  ['electronic', 'jazz', 'pop', 'easy listening']

============================== file details ==============================
                                           'mtime'  1620527320.866777  (2021-05-09 04:28:40)
                             'size'  4154849