======================== unified (from filesystem) ========================
                                         'bitrate'  '187.826'
                                        'duration'  '878'
                                          'artist'  'Rovo'
                                     'text_people'  ''
                                         'release'  'Tonic 2001'
                                           'title'  'Guiding Star'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-2', 'q-busy-3', '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'  "['instrumental', 'electronic', 'psychedelic', 'experimental', 'japanese']"
                                     'discogstags'  "['jazz', 'fusion', 'jazz-rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted;set-pl-sced'
                                             'bpm'  '107.322'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Tonic 2001'
'TBPM' (BPM (beats per minute))                     '107.322'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-jb-jazz-unsorted', 'set-pl-sced']
'TDRC' (Recording time)                             '2002'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Secure mode)'
'TIT2' (Title/songname/content description)         'Guiding Star'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Rovo'
'TPE2' (Band/orchestra/accompaniment)               'Rovo'
'TPOS' (Part of a set)                              '1/2'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['jazz', 'fusion', 'jazz-rock']
'TXXX:lastfmtags'                                   ['instrumental', 'electronic', 'psychedelic', 'experimental', 'japanese']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'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'                        '+0.30 dB'
'TXXX:replaygain_track_peak'                        '0.406014'

========================== row from database ==========================
                                              'id'  1388987
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Rovo/[2002] Tonic 2001/1-02 Guiding Star.mp3
                                         'working'  None
                                         'bitrate'  187
                                    'duration_sec'  878
                                           'genre'  prerock-jb-jazz-unsorted;set-pl-sced
                                        'filesize'  20649444
                                           'mtime'  1620534220
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country [2002] 02 prerock jb jazz unsorted;set pl sced
                                      'tag_artist'  Rovo
                                     'tag_release'  Tonic 2001
                                       'tag_title'  Guiding Star
                                             'bpm'  107.322
                                    'search_title'  'guiding':1 'star':2
                                   'search_artist'  'rovo':1
                                  'search_release'  '2001':2 'tonic':1
                                     'search_rest'  '2002':5,6 'country':4 'exotica':2 'jazz':1 'jb':8 'oldies':3 'pl':13 'prerock':7 'sced':14 'set':10,12 'unsorted':9,11
                                    'search_combo'  '2001':5C '2002':10,11 'country':9 'exotica':7 'guiding':1A 'jazz':6 'jb':13 'oldies':8 'pl':18 'prerock':12 'rovo':3B 'sced':19 'set':15,17 'star':2A 'tonic':4C 'unsorted':14,16
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'electronic', 'psychedelic', 'experimental', 'japanese']
                                        'tag_date'  2002
                                     'discogstags'  ['jazz', 'fusion', 'jazz-rock']

============================== file details ==============================
                                           'mtime'  1620534220.4587588  (2021-05-09 06:23:40)
                             'size'  20649444