======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '146'
                                          'artist'  'Bill Justis'
                                     'text_people'  ''
                                         'release'  "45's on CD, Vol. 1 (1956-1959)"
                                           'title'  'Raunchy'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
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 "'q-chart-1', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['rock and roll', 'rockabilly', 'instrumental', '50s', 'oldies']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '028'
                                      'tracktotal'  ''
                                            'date'  '1957'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '145.895'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     "45's on CD, Vol. 1 (1956-1959)"
'TBPM' (BPM (beats per minute))                     '145.895'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1957'
'TIT2' (Title/songname/content description)         'Raunchy'
'TKEY' (Initial key)                                '10B'
'TLEN' (Length)                                     '146560'
'TPE1' (Lead performer(s)/Soloist(s))               'Bill Justis'
'TPUB' (Publisher)                                  'Mercury'
'TRCK' (Track number/Position in set)               '028'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rock and roll', 'rockabilly', 'instrumental', '50s', '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'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.62 dB'
'TXXX:replaygain_track_peak'                        '0.503277'

========================== row from database ==========================
                                              'id'  1443715
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1957/1957-028 - Bill Justis - Raunchy.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  146
                                           'genre'  prerock-unsorted
                                        'filesize'  5860380
                                           'mtime'  1621698313
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1957 1957 028 prerock unsorted
                                      'tag_artist'  Bill Justis
                                     'tag_release'  45's on CD, Vol. 1 (1956-1959)
                                       'tag_title'  Raunchy
                                             'bpm'  145.895
                                    'search_title'  'raunchy':1
                                   'search_artist'  'bill':1 'justis':2
                                  'search_release'  '1':9 '1956':10 '19561959':12 '1959':11 '45':1 '45s':3 'cd':5,6 'on':4 's':2 'vol':7,8
                                     'search_rest'  '00oldiepop':5 '1957':6 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':7 'unsorted':8
                                    'search_combo'  '00oldiepop':20 '1':12C '1956':13C '19561959':15C '1957':21 '1959':14C '45':4C '45s':6C 'bill':2B 'cd':8C,9C 'country':19 'exotica':17 'jazz':16 'justis':3B 'oldies':18 'on':7C 'prerock':22 'raunchy':1A 's':5C 'unsorted':23 'vol':10C,11C
                                    'tag_tracknum'  28
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['rock and roll', 'rockabilly', 'instrumental', '50s', 'oldies']
                                        'tag_date'  1957
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621698312.5281527  (2021-05-22 17:45:12)
                             'size'  5860380