======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '175'
                                          'artist'  'Lawrence Welk & Jayne Walton'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'I wish that I could hide inside this letter'
                                           'quals'  ("['Q-HAP-3', '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-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '192'
                                      'tracktotal'  ''
                                            'date'  '1944'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '124.698'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '124.698'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1944'
'TIT2' (Title/songname/content description)         'I wish that I could hide inside this letter'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Lawrence Welk & Jayne Walton'
'TRCK' (Track number/Position in set)               '192'
'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: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'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.48 dB'
'TXXX:replaygain_track_peak'                        '0.300625'

========================== row from database ==========================
                                              'id'  1455093
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1943/192 I wish that I could hide inside this letter - Lawrence Welk & Jayne Walton (12-02-1944).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  175
                                           'genre'  prerock-unsorted
                                        'filesize'  2806201
                                           'mtime'  1621698061
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1943 192 (12 02 1944) prerock unsorted
                                      'tag_artist'  Lawrence Welk & Jayne Walton
                                     'tag_release'  None
                                       'tag_title'  I wish that I could hide inside this letter
                                             'bpm'  124.698
                                    'search_title'  'could':4 'hide':5 'i':1 'inside':6 'letter':8 'that':3 'this':7 'wish':2
                                   'search_artist'  'jayne':3 'lawrence':1 'walton':4 'welk':2
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '12':8,9 '192':7 '1943':6 '1944':10,11 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':12 'unsorted':13
                                    'search_combo'  '00oldiepop':17 '12':20,21 '192':19 '1943':18 '1944':22,23 'could':4A 'country':16 'exotica':14 'hide':5A 'i':1A 'inside':6A 'jayne':11B 'jazz':13 'lawrence':9B 'letter':8A 'oldies':15 'prerock':24 'that':3A 'this':7A 'unsorted':25 'walton':12B 'welk':10B 'wish':2A
                                    'tag_tracknum'  192
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1944
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621698061.0943599  (2021-05-22 17:41:01)
                             'size'  2806201