======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '272'
                                          'artist'  'Carlos Santana'
                                     'text_people'  ''
                                         'release'  'Those Classic Golden Years - Volume 03'
                                           'title'  "Samba Pa Ti (IT#51 '71)"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['santana', 'guitar', 'latin', 'rock', 'blues', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '89.8'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Those Classic Golden Years - Volume 03'
'TBPM' (BPM (beats per minute))                     '89.8'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '1970'
'TIT2' (Title/songname/content description)         "Samba Pa Ti (IT#51 '71)"
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Carlos Santana'
'TRCK' (Track number/Position in set)               '9'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['santana', 'guitar', 'latin', 'rock', 'blues', 'classic rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-5.49 dB'
'TXXX:replaygain_track_peak'                        '1.006944'

========================== row from database ==========================
                                              'id'  1530762
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/EASY Instr 70_s/Carlos Santana - Samba Pa Ti (IT#51 _71).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  272
                                           'genre'  funk or soul
                                        'filesize'  10894875
                                           'mtime'  1628357804
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul EASY Instr 70_s _71) funk or soul
                                      'tag_artist'  Carlos Santana
                                     'tag_release'  Those Classic Golden Years - Volume 03
                                       'tag_title'  Samba Pa Ti (IT#51 '71)
                                             'bpm'  89.8
                                    'search_title'  '51':5,7 '71':8,9 'it':4,6 'pa':2 'samba':1 'ti':3
                                   'search_artist'  'carlos':1 'santana':2
                                  'search_release'  'classic':2 'golden':3 'those':1 'volume':5 'years':4
                                     'search_rest'  '70':6 '71':8,9 'easy':4 'funk':2 'instr':5 'or':10 's':7 'soul':3 'swing':1
                                    'search_combo'  '51':5A,7A '70':22 '71':8A,9A,24,25 'carlos':10B 'classic':13C 'easy':20 'funk':18 'golden':14C 'instr':21 'it':4A,6A 'or':26 'pa':2A 's':23 'samba':1A 'santana':11B 'soul':19 'swing':17 'those':12C 'ti':3A 'volume':16C 'years':15C
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['santana', 'guitar', 'latin', 'rock', 'blues', 'classic rock']
                                        'tag_date'  1970
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357804.0981467  (2021-08-07 19:36:44)
                             'size'  10894875