======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '586'
                                          'artist'  'Audio Fidelity'
                                     'text_people'  ''
                                         'release'  'Audio Fidelity Stereodisc Demonstration Record'
                                           'title'  'Demonstration of High Fidelity Stereophonic Sound'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', "
 "'q-play-2', 'Q-OLDST-1', 'q-chart-1', 'q-drums-4', 'q-other-3', 'q-piano-1', "
 "'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  ("['video game music', 'video game remixes', 'oc remix', 'game remixes', "
 "'video game remix']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  ''
                                            'date'  '1958'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '120.8'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.OTHER (Other) b''
                                     
'COMM:iTunNORM:eng'                                 (' 0000013A 00000173 000031EF 00006BAE 00019542 00012310 00006C1B 00007896 '
 '00007575 00012356')
'TALB' (Album/Movie/Show title)                     'Audio Fidelity Stereodisc Demonstration Record'
'TBPM' (BPM (beats per minute))                     '120.8'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-unsorted', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TDRC' (Recording time)                             '1958'
'TIT2' (Title/songname/content description)         'Demonstration of High Fidelity Stereophonic Sound'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Audio Fidelity'
'TRCK' (Track number/Position in set)               '01'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['video game music',
 'video game remixes',
 'oc remix',
 'game remixes',
 'video game remix']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+3.44 dB'
'TXXX:replaygain_track_peak'                        '0.942093'

========================== row from database ==========================
                                              'id'  981001
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Audio Fidelity Stereodisc Demonstration Record/01 Demonstration of High Fidelity Stereophonic Sound.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  586
                                           'genre'  electronic-unsorted;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  14364903
                                           'mtime'  1620346335
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 01 electronic unsorted;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Audio Fidelity
                                     'tag_release'  Audio Fidelity Stereodisc Demonstration Record
                                       'tag_title'  Demonstration of High Fidelity Stereophonic Sound
                                             'bpm'  120.8
                                    'search_title'  'demonstration':1 'fidelity':4 'high':3 'of':2 'sound':6 'stereophonic':5
                                   'search_artist'  'audio':1 'fidelity':2
                                  'search_release'  'audio':1 'demonstration':4 'fidelity':2 'record':5 'stereodisc':3
                                     'search_rest'  'electronic':1 'mor':11 'pl':6 'set':3,5,8,10 'shirleyspinoza':7,9 'unsorted':2,4
                                    'search_combo'  'audio':7B,9C 'demonstration':1A,12C 'electronic':14 'fidelity':4A,8B,10C 'high':3A 'mor':24 'of':2A 'pl':19 'record':13C 'set':16,18,21,23 'shirleyspinoza':20,22 'sound':6A 'stereodisc':11C 'stereophonic':5A 'unsorted':15,17
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-1', 'q-other-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['video game music', 'video game remixes', 'oc remix', 'game remixes', 'video game remix']
                                        'tag_date'  1958
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620346334.9066064  (2021-05-07 02:12:14)
                             'size'  14364903