======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '149'
                                          'artist'  'Elder Beck & His Religion in Rhythm'
                                     'text_people'  ''
                                         'release'  'The World Is Going Wrong'
                                           'title'  "There's a Dead Cat on the Line"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-1', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-2', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '2016'
                                        'comments'  ''
                                           'genre'  'loc-namerica-country'
                                             'bpm'  '93.673'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:cover'                                        type PictureType.COVER_FRONT (Cover (front)) b'cover'
                                     
'TALB' (Album/Movie/Show title)                     'The World Is Going Wrong'
'TBPM' (BPM (beats per minute))                     '93.673'
'TCON' (Content type, a.k.a. Genre)                 'loc-namerica-country'
'TDRC' (Recording time)                             '2016'
'TIT2' (Title/songname/content description)         "There's a Dead Cat on the Line"
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Elder Beck & His Religion in Rhythm'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.82 dB'
'TXXX:replaygain_track_peak'                        '0.516564'

========================== row from database ==========================
                                              'id'  1501636
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/various artists - the world is going wrong/elder beck & his religion in rhythm - the world is going wrong - 05 there_s a dead cat on the line.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  149
                                           'genre'  loc-namerica-country
                                        'filesize'  6068107
                                           'mtime'  1621628498
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country various artists world going wrong elder beck his religion rhythm world going wrong 05 there_s dead cat line loc namerica country
                                      'tag_artist'  Elder Beck & His Religion in Rhythm
                                     'tag_release'  The World Is Going Wrong
                                       'tag_title'  There's a Dead Cat on the Line
                                             'bpm'  93.673
                                    'search_title'  'a':4 'cat':6 'dead':5 'line':9 'on':7 's':2 'the':8 'there':1 'theres':3
                                   'search_artist'  'beck':2 'elder':1 'his':3 'in':5 'religion':4 'rhythm':6
                                  'search_release'  'going':4 'is':3 'the':1 'world':2 'wrong':5
                                     'search_rest'  'artists':6 'beck':11 'cat':18 'country':4 'dead':17 'elder':10 'exotica':2 'going':8 'his':12 'jazz':1 'line':19 'loc':20 'namerica':21 'oldies':3 'religion':13 'rhythm':14 's':16 'there':15 'various':5 'world':7 'wrong':9
                                    'search_combo'  'a':4A 'artists':26 'beck':11B,31 'cat':6A,38 'country':24 'dead':5A,37 'elder':10B,30 'exotica':22 'going':19C,28 'his':12B,32 'in':14B 'is':18C 'jazz':21 'line':9A,39 'loc':40 'namerica':41 'oldies':23 'on':7A 'religion':13B,33 'rhythm':15B,34 's':2A,36 'the':8A,16C 'there':1A,35 'theres':3A 'various':25 'world':17C,27 'wrong':20C,29
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-2', 'q-syn-1', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2016
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621628498.1509483  (2021-05-21 22:21:38)
                             'size'  6068107