======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '255'
                                          'artist'  'Curtis Mayfield'
                                     'text_people'  ''
                                         'release'  'Easy Instr 70s'
                                           'title'  "If There's A Hell Below ('70)"
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-JZFKS-3', 'Q-HHRNBTT-2', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['rnb', 'rhythm and blues', 'soul', 'funk', '70s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '120.3'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Easy Instr 70s'
'TBPM' (BPM (beats per minute))                     '120.3'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         "If There's A Hell Below ('70)"
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Curtis Mayfield'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rnb', 'rhythm and blues', 'soul', 'funk', '70s']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.14 dB'
'TXXX:replaygain_track_peak'                        '0.616049'

========================== row from database ==========================
                                              'id'  1528792
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/EASY Instr 70_s/Curtis Mayfield - If There_s A Hell Below (_70).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  255
                                           'genre'  funk or soul
                                        'filesize'  6145420
                                           'mtime'  1628357810
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul EASY 70_s There_s (_70) funk or soul
                                      'tag_artist'  Curtis Mayfield
                                     'tag_release'  Easy Instr 70s
                                       'tag_title'  If There's A Hell Below ('70)
                                             'bpm'  120.3
                                    'search_title'  '70':8,9 'a':5 'below':7 'hell':6 'if':1 's':3 'there':2 'theres':4
                                   'search_artist'  'curtis':1 'mayfield':2
                                  'search_release'  '70s':3 'easy':1 'instr':2
                                     'search_rest'  '70':5,9,10 'easy':4 'funk':2 'or':11 's':6,8 'soul':3 'swing':1 'there':7
                                    'search_combo'  '70':8A,9A,19,23,24 '70s':14C 'a':5A 'below':7A 'curtis':10B 'easy':12C,18 'funk':16 'hell':6A 'if':1A 'instr':13C 'mayfield':11B 'or':25 's':3A,20,22 'soul':17 'swing':15 'there':2A,21 'theres':4A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['rnb', 'rhythm and blues', 'soul', 'funk', '70s']
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357810.41903  (2021-08-07 19:36:50)
                             'size'  6145420