======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '122'
                                          'artist'  'Odin'
                                     'text_people'  ''
                                         'release'  "Tape No199 - If You Ever Leave Me Baby I'll Blow Up Your Farm"
                                           'title'  'Lost'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HAP-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['glam metal', 'krautrock', 'hard rock', 'progressive rock', 'heavy metal']"
                                     'discogstags'  "['techno', 'electronic', 'electro']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '08'
                                      'tracktotal'  ''
                                            'date'  '1968'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '146.0'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     "Tape No199 - If You Ever Leave Me Baby I'll Blow Up Your Farm"
'TBPM' (BPM (beats per minute))                     '146.0'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1968'
'TIT2' (Title/songname/content description)         'Lost'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Odin'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '08'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:country'                                      'US'
'TXXX:discogstags'                                  ['techno', 'electronic', 'electro']
'TXXX:lastfmtags'                                   ['glam metal', 'krautrock', 'hard rock', 'progressive rock', 'heavy metal']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+23.65 dB'
'TXXX:replaygain_track_peak'                        '0.021799'
'TXXX:tracknum'                                     '08'

========================== row from database ==========================
                                              'id'  504043
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT199/08 - Odin - Lost (1968 US) (Willman).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  122
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  3012561
                                           'mtime'  1620385201
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT199 08 (1968 US) (Willman) rock gr garage;set pl garagetapes
                                      'tag_artist'  Odin
                                     'tag_release'  Tape No199 - If You Ever Leave Me Baby I'll Blow Up Your Farm
                                       'tag_title'  Lost
                                             'bpm'  146.0
                                    'search_title'  'lost':1
                                   'search_artist'  'odin':1
                                  'search_release'  'baby':8 'blow':12 'ever':5 'farm':15 'i':9 'if':3 'ill':11 'leave':6 'll':10 'me':7 'no199':2 'tape':1 'up':13 'you':4 'your':14
                                     'search_rest'  '1968':6,7 'blogspot':2 'com':3 'garage':14,16 'garagetapes':1,19 'garagetapesblogspotcom':4 'gr':13 'gt199':5 'pl':18 'rock':12 'set':15,17 'us':8,9 'willman':10,11
                                    'search_combo'  '1968':23,24 'baby':10C 'blogspot':19 'blow':14C 'com':20 'ever':7C 'farm':17C 'garage':31,33 'garagetapes':18,36 'garagetapesblogspotcom':21 'gr':30 'gt199':22 'i':11C 'if':5C 'ill':13C 'leave':8C 'll':12C 'lost':1A 'me':9C 'no199':4C 'odin':2B 'pl':35 'rock':29 'set':32,34 'tape':3C 'up':15C 'us':25,26 'willman':27,28 'you':6C 'your':16C
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['glam metal', 'krautrock', 'hard rock', 'progressive rock', 'heavy metal']
                                        'tag_date'  1968
                                     'discogstags'  ['techno', 'electronic', 'electro']

============================== file details ==============================
                                           'mtime'  1620385200.9811494  (2021-05-07 13:00:00)
                             'size'  3012561