======================== unified (from filesystem) ========================
                                         'bitrate'  '137.326'
                                        'duration'  '284'
                                          'artist'  'Shirley & Spinoza Internet Radio'
                                     'text_people'  ''
                                         'release'  'Shirley & Spinoza'
                                           'title'  'excerpt: letter language forest cops'
                                           'quals'  ("['Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', "
 "'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '143.416'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 00000000 00000000 00000002 00'
'COMM:iTunNORM:eng'                                 (' 00000000 00000000 00000002 00000003 00000045 00000045 00000467 0000046A '
 '00000045 00000045')
'POPM:'                                             POPM(email='', rating=0, count=0)
'TALB' (Album/Movie/Show title)                     'Shirley & Spinoza'
'TBPM' (BPM (beats per minute))                     '143.416'
'TCON' (Content type, a.k.a. Genre)                 ['set-pl-shirleyspinoza', 'set-pl-mor']
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'excerpt: letter language forest cops'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Shirley & Spinoza Internet Radio'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.50 dB'
'TXXX:replaygain_track_peak'                        '0.550738'

========================== row from database ==========================
                                              'id'  986580
                                            'path'  /data/Music/Bulk/sns/SNSarchive/SS_Oct_12_2002_forest_cops.mp3
                                         'working'  None
                                         'bitrate'  137
                                    'duration_sec'  284
                                           'genre'  set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  4898590
                                           'mtime'  1620357039
                                   'redo_metaread'  0
                                        'rest_str'   sns SNSarchive SS_Oct_12_2002_forest_cops set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Shirley & Spinoza Internet Radio
                                     'tag_release'  Shirley & Spinoza
                                       'tag_title'  excerpt: letter language forest cops
                                             'bpm'  143.416
                                    'search_title'  'cops':6 'excerpt':1,2 'forest':5 'language':4 'letter':3
                                   'search_artist'  'internet':3 'radio':4 'shirley':1 'spinoza':2
                                  'search_release'  'shirley':1 'spinoza':2
                                     'search_rest'  '12':5 '2002':6 'cops':8 'forest':7 'mor':15 'oct':4 'pl':10 'set':9,12,14 'shirleyspinoza':11,13 'sns':1 'snsarchive':2 'ss':3
                                    'search_combo'  '12':17 '2002':18 'cops':6A,20 'excerpt':1A,2A 'forest':5A,19 'internet':9B 'language':4A 'letter':3A 'mor':27 'oct':16 'pl':22 'radio':10B 'set':21,24,26 'shirley':7B,11C 'shirleyspinoza':23,25 'sns':13 'snsarchive':14 'spinoza':8B,12C 'ss':15
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-4', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620357038.7962248  (2021-05-07 05:10:38)
                             'size'  4898590