======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '200'
                                          'artist'  'Yoon Il-Loh'
                                     'text_people'  ''
                                         'release'  'Culture Shock: Doug Schulkinds 2004 Marathon Premium'
                                           'title'  'Guitar Boogie'
                                           'quals'  ("['Q-OLDST-1', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', "
 "'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'loc-unsorted'
                                             'bpm'  '145.6'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Culture Shock: Doug Schulkinds 2004 Marathon Premium'
'TBPM' (BPM (beats per minute))                     '145.6'
'TCON' (Content type, a.k.a. Genre)                 'loc-unsorted'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Guitar Boogie'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Yoon Il-Loh'
'TPE2' (Band/orchestra/accompaniment)               'Yoon Il-Loh'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '8'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.60 dB'
'TXXX:replaygain_track_peak'                        '0.361883'

========================== row from database ==========================
                                              'id'  649002
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/music for maniacs/Yoon Il-Loh - Guitar Boogie.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  200
                                           'genre'  loc-unsorted
                                        'filesize'  4816466
                                           'mtime'  1620400267
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm music for maniacs loc unsorted
                                      'tag_artist'  Yoon Il-Loh
                                     'tag_release'  Culture Shock: Doug Schulkinds 2004 Marathon Premium
                                       'tag_title'  Guitar Boogie
                                             'bpm'  145.6
                                    'search_title'  'boogie':2 'guitar':1
                                   'search_artist'  'il':2 'illoh':4 'loh':3 'yoon':1
                                  'search_release'  '2004':6 'culture':1 'doug':4 'marathon':7 'premium':8 'schulkinds':5 'shock':2,3
                                     'search_rest'  'for':2 'loc':4 'maniacs':3 'music':1 'unsorted':5
                                    'search_combo'  '2004':12C 'boogie':2A 'culture':7C 'doug':10C 'for':16 'guitar':1A 'il':4B 'illoh':6B 'loc':18 'loh':5B 'maniacs':17 'marathon':13C 'music':15 'premium':14C 'schulkinds':11C 'shock':8C,9C 'unsorted':19 'yoon':3B
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-1', 'q-other-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620400267.3476346  (2021-05-07 17:11:07)
                             'size'  4816466