======================== unified (from filesystem) ========================
                                         'bitrate'  '224.0'
                                        'duration'  '161'
                                          'artist'  "Graf Zeppelin – You're In My Mind (1968)"
                                     'text_people'  ''
                                         'release'  'Tape No027 - Sweet, Sweet Sadie'
                                           'title'  "You're In My Mind"
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HAP-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['classic rock', 'garage rock', 'psychedelic', 'psychedelic rock', 'oldies']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1968'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '133.8'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Tape No027 - Sweet, Sweet Sadie'
'TBPM' (BPM (beats per minute))                     '133.8'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1968'
'TIT2' (Title/songname/content description)         "You're In My Mind"
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               "Graf Zeppelin – You're In My Mind (1968)"
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '10'
'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:lastfmtags'                                   ['classic rock', 'garage rock', 'psychedelic', 'psychedelic rock', 'oldies']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.69 dB'
'TXXX:replaygain_track_peak'                        '0.407290'
'TXXX:tracknum'                                     '10'

========================== row from database ==========================
                                              'id'  1515414
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT027/10 - Graf Zeppelin – You_re In My Mind (1968).mp3
                                         'working'  None
                                         'bitrate'  224
                                    'duration_sec'  161
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  4534272
                                           'mtime'  1620382933
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT027 10 You_re rock gr garage;set pl garagetapes
                                      'tag_artist'  Graf Zeppelin – You're In My Mind (1968)
                                     'tag_release'  Tape No027 - Sweet, Sweet Sadie
                                       'tag_title'  You're In My Mind
                                             'bpm'  133.8
                                    'search_title'  'in':4 'mind':6 'my':5 're':2 'you':1 'youre':3
                                   'search_artist'  '1968':9,10 'graf':1 'in':6 'mind':8 'my':7 're':4 'you':3 'youre':5 'zeppelin':2
                                  'search_release'  'no027':2 'sadie':5 'sweet':3,4 'tape':1
                                     'search_rest'  'blogspot':2 'com':3 'garage':10,12 'garagetapes':1,15 'garagetapesblogspotcom':4 'gr':9 'gt027':5 'pl':14 're':7 'rock':8 'set':11,13 'you':6
                                    'search_combo'  '1968':15B,16B 'blogspot':23 'com':24 'garage':31,33 'garagetapes':22,36 'garagetapesblogspotcom':25 'gr':30 'graf':7B 'gt027':26 'in':4A,12B 'mind':6A,14B 'my':5A,13B 'no027':18C 'pl':35 're':2A,10B,28 'rock':29 'sadie':21C 'set':32,34 'sweet':19C,20C 'tape':17C 'you':1A,9B,27 'youre':3A,11B 'zeppelin':8B
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-4', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['classic rock', 'garage rock', 'psychedelic', 'psychedelic rock', 'oldies']
                                        'tag_date'  1968
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620382933.44071  (2021-05-07 12:22:13)
                             'size'  4534272