======================== unified (from filesystem) ========================
                                         'bitrate'  '56.0'
                                        'duration'  '105'
                                          'artist'  'Newcomer Twins'
                                     'text_people'  ''
                                         'release'  'old acetates'
                                           'title'  'Margie'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1935'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '84.280'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'old acetates'
'TBPM' (BPM (beats per minute))                     '84.280'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1935'
'TIT2' (Title/songname/content description)         'Margie'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Newcomer Twins'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:other'                                        'NewcomerTwins-Margie'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.03 dB'
'TXXX:replaygain_track_peak'                        '0.594643'

========================== row from database ==========================
                                              'id'  726884
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Old acetates [96k-128k]/NewcomerTwins-Margie.mp3
                                         'working'  None
                                         'bitrate'  56
                                    'duration_sec'  105
                                           'genre'  prerock-unsorted
                                        'filesize'  739184
                                           'mtime'  1676046370
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Old [96k 128k] NewcomerTwins prerock unsorted
                                      'tag_artist'  Newcomer Twins
                                     'tag_release'  old acetates
                                       'tag_title'  Margie
                                             'bpm'  84.28
                                    'search_title'  'margie':1
                                   'search_artist'  'newcomer':1 'twins':2
                                  'search_release'  'acetates':2 'old':1
                                     'search_rest'  '128k':8,9 '96k':6,7 'country':4 'exotica':2 'jazz':1 'newcomer':13 'newcomertwins':10 'old':5 'oldies':3 'prerock':11 'twins':14 'unsorted':12
                                    'search_combo'  '128k':13,14 '96k':11,12 'acetates':5C 'country':9 'exotica':7 'jazz':6 'margie':1A 'newcomer':2B,18 'newcomertwins':15 'old':4C,10 'oldies':8 'prerock':16 'twins':3B,19 'unsorted':17
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-3', 'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-1']
                                      'lastfmtags'  []
                                        'tag_date'  1935
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1676046370.2133777  (2023-02-10 17:26:10)
                             'size'  739184