======================== unified (from filesystem) ========================
                                         'bitrate'  '247.067'
                                        'duration'  '143'
                                          'artist'  'Enoch Light & His Light Brigade Orchestra'
                                     'text_people'  ''
                                         'release'  'Shirley & Spinoza'
                                           'title'  'Cara Mia Cha Cha (Ciribiribin)'
                                           'quals'  ("['Q-OLDST-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-1', "
 "'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '21'
                                      'tracktotal'  '28'
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '103.220'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Shirley & Spinoza'
'TBPM' (BPM (beats per minute))                     '103.220'
'TCON' (Content type, a.k.a. Genre)                 ['set-pl-shirleyspinoza', 'set-pl-mor']
'TCOP' (Copyright message)                          '℗ 2013 Sepia Records Ltd'
'TIT2' (Title/songname/content description)         'Cara Mia Cha Cha (Ciribiribin)'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Enoch Light & His Light Brigade Orchestra'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '21/28'
'TSOA' (Album sort order)                           "Pertinent Percussion Cha Cha's / I Want to Be Happy Cha Cha's"
'TSOP' (Performer sort order)                       'Enoch Light & His Light Brigade Orchestra'
'TSOT' (Title sort order)                           'Cara Mia Cha Cha (Ciribiribin)'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:purchaseaccount'                              'luc@gut.li'
'TXXX:purchasedate'                                 '2017-02-23 18:16:28'
'TXXX:q-bass'                                       '3'
'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'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.27 dB'
'TXXX:replaygain_track_peak'                        '0.413012'

========================== row from database ==========================
                                              'id'  1107550
                                            'path'  /data/Music/Bulk/sns/Enoch Light & His Light Brigade Orchestra - Cara Mia Cha Cha (Ciribiribin).mp3
                                         'working'  None
                                         'bitrate'  247
                                    'duration_sec'  143
                                           'genre'  set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  4556330
                                           'mtime'  1621475420
                                   'redo_metaread'  0
                                        'rest_str'   sns set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Enoch Light & His Light Brigade Orchestra
                                     'tag_release'  Shirley & Spinoza
                                       'tag_title'  Cara Mia Cha Cha (Ciribiribin)
                                             'bpm'  103.22
                                    'search_title'  'cara':1 'cha':3 'ciribiribin':4,5 'mia':2
                                   'search_artist'  'brigade':4 'enoch':1 'his':3 'light':2 'orchestra':5
                                  'search_release'  'shirley':1 'spinoza':2
                                     'search_rest'  'mor':8 'pl':3 'set':2,5,7 'shirleyspinoza':4,6 'sns':1
                                    'search_combo'  'brigade':9B 'cara':1A 'cha':3A 'ciribiribin':4A,5A 'enoch':6B 'his':8B 'light':7B 'mia':2A 'mor':20 'orchestra':10B 'pl':15 'set':14,17,19 'shirley':11C 'shirleyspinoza':16,18 'sns':13 'spinoza':12C
                                    'tag_tracknum'  21
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621475419.9678295  (2021-05-20 03:50:19)
                             'size'  4556330