======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '268'
                                          'artist'  'Zoe Keating'
                                     'text_people'  ''
                                         'release'  'Into The Trees'
                                           'title'  'Hello Night'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['cello', 'instrumental', 'ambient', 'classical', 'deepspaceone']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'prerock-classical or classical instruments-contemporary;mi-strings-cello'
                                             'bpm'  '135.2'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:cover'                                        type PictureType.COVER_FRONT (Cover (front)) b'cover'
                                     
'TALB' (Album/Movie/Show title)                     'Into The Trees'
'TBPM' (BPM (beats per minute))                     '135.2'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-classical or classical instruments-contemporary', 'mi-strings-cello']
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'Hello Night'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Zoe Keating'
'TRCK' (Track number/Position in set)               '6'
'TSRC' (ISRC (international standard recording code))  'USU2C1000006'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['cello', 'instrumental', 'ambient', 'classical', 'deepspaceone']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'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'                        '+1.20 dB'
'TXXX:replaygain_track_peak'                        '0.356965'

========================== row from database ==========================
                                              'id'  406777
                                            'path'  /data/Music/Bulk/00instruments-classical/Into The Trees/06 Hello Night.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  268
                                           'genre'  prerock-classical or classical instruments-contemporary;mi-strings-cello
                                        'filesize'  10885993
                                           'mtime'  1620528005
                                   'redo_metaread'  0
                                        'rest_str'   00instruments classical 06 prerock classical or classical instruments contemporary;mi strings cello
                                      'tag_artist'  Zoe Keating
                                     'tag_release'  Into The Trees
                                       'tag_title'  Hello Night
                                             'bpm'  135.2
                                    'search_title'  'hello':1 'night':2
                                   'search_artist'  'keating':2 'zoe':1
                                  'search_release'  'into':1 'the':2 'trees':3
                                     'search_rest'  '00instruments':1 'cello':11 'classical':2 'contemporary':6,8 'instruments':5 'mi':7,9 'or':4 'prerock':3 'strings':10
                                    'search_combo'  '00instruments':8 'cello':18 'classical':9 'contemporary':13,15 'hello':1A 'instruments':12 'into':5C 'keating':4B 'mi':14,16 'night':2A 'or':11 'prerock':10 'strings':17 'the':6C 'trees':7C 'zoe':3B
                                    'tag_tracknum'  6
                                      '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-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['cello', 'instrumental', 'ambient', 'classical', 'deepspaceone']
                                        'tag_date'  2010
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528005.3276737  (2021-05-09 04:40:05)
                             'size'  10885993