======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '350'
                                          'artist'  'Erik Truffaz'
                                     'text_people'  ''
                                         'release'  'Arkhangelsk'
                                           'title'  'Miss Kaba'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['acid jazz', 'fusion', 'jazz', 'trumpet', 'contemporary jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '15'
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-newer-dark or acid'
                                             'bpm'  '135.274'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Arkhangelsk'
'TBPM' (BPM (beats per minute))                     '135.274'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-newer-dark or acid'
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         'Miss Kaba'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Erik Truffaz'
'TPOS' (Part of a set)                              '1 / 1'
'TRCK' (Track number/Position in set)               '1/15'
'TXXX:AccurateRipDiscID'                            '015-00290edd-01cf9586-c611780f-1'
'TXXX:AccurateRipResult'                            'AccurateRip: Not in database   [F71A533C]'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['acid jazz', 'fusion', 'jazz', 'trumpet', 'contemporary jazz']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.48 dB'
'TXXX:replaygain_track_peak'                        '0.496492'

========================== row from database ==========================
                                              'id'  790393
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Erik Truffaz/Arkhangelsk/Erik Truffaz - Arkhangelsk - 01 - Miss Kaba.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  350
                                           'genre'  prerock-jb-jazz-newer-dark or acid
                                        'filesize'  7004678
                                           'mtime'  1620528658
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 01 prerock jb jazz newer dark or acid
                                      'tag_artist'  Erik Truffaz
                                     'tag_release'  Arkhangelsk
                                       'tag_title'  Miss Kaba
                                             'bpm'  135.274
                                    'search_title'  'kaba':2 'miss':1
                                   'search_artist'  'erik':1 'truffaz':2
                                  'search_release'  'arkhangelsk':1
                                     'search_rest'  'acid':10 'country':4 'dark':8 'exotica':2 'jazz':1 'jb':6 'newer':7 'oldies':3 'or':9 'prerock':5
                                    'search_combo'  'acid':15 'arkhangelsk':5C 'country':9 'dark':13 'erik':3B 'exotica':7 'jazz':6 'jb':11 'kaba':2A 'miss':1A 'newer':12 'oldies':8 'or':14 'prerock':10 'truffaz':4B
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['acid jazz', 'fusion', 'jazz', 'trumpet', 'contemporary jazz']
                                        'tag_date'  2007
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528657.9233594  (2021-05-09 04:50:57)
                             'size'  7004678