======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '336'
                                          'artist'  'Daniel Kahn, Psoy Korolenko, Oy Division'
                                     'text_people'  ''
                                         'release'  'The Unternationale: The First Unternational'
                                           'title'  'Rakhmones Afn Tayvl'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['socialist', 'israeli', 'yiddish', 'ru', 'klezmer']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '10'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'loc-style-gypsy or balkan or klezmer;mi-brass'
                                             'bpm'  '145.8'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'APIC:cover'                                        type PictureType.COVER_FRONT (Cover (front)) b'cover'
                                     
'TALB' (Album/Movie/Show title)                     'The Unternationale: The First Unternational'
'TBPM' (BPM (beats per minute))                     '145.8'
'TCON' (Content type, a.k.a. Genre)                 ['loc-style-gypsy or balkan or klezmer', 'mi-brass']
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Rakhmones Afn Tayvl'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Daniel Kahn, Psoy Korolenko, Oy Division'
'TPE2' (Band/orchestra/accompaniment)               'Daniel Kahn, Psoy Korolenko, Oy Division'
'TRCK' (Track number/Position in set)               '1/10'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['socialist', 'israeli', 'yiddish', 'ru', 'klezmer']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.18 dB'
'TXXX:replaygain_track_peak'                        '0.357782'

========================== row from database ==========================
                                              'id'  1387688
                                            'path'  /data/Music/Bulk/00localcharacter/Daniel Kahn, Psoy Korolenko, Oy Division - The Unternationale_ The First Unternational/01 Rakhmones Afn Tayvl.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  336
                                           'genre'  loc-style-gypsy or balkan or klezmer;mi-brass
                                        'filesize'  13701438
                                           'mtime'  1620528387
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter Unternationale_ 01 loc style gypsy balkan klezmer;mi brass
                                      'tag_artist'  Daniel Kahn, Psoy Korolenko, Oy Division
                                     'tag_release'  The Unternationale: The First Unternational
                                       'tag_title'  Rakhmones Afn Tayvl
                                             'bpm'  145.8
                                    'search_title'  'afn':2 'rakhmones':1 'tayvl':3
                                   'search_artist'  'daniel':1 'division':8 'kahn':2,3 'korolenko':5,6 'oy':7 'psoy':4
                                  'search_release'  'first':4 'the':1 'unternational':5 'unternationale':2,3
                                     'search_rest'  'balkan':5 'brass':10 'gypsy':4 'klezmer':6,8 'loc':2 'mi':7,9 'style':3 'unternationale':1
                                    'search_combo'  'afn':2A 'balkan':21 'brass':26 'daniel':4B 'division':11B 'first':15C 'gypsy':20 'kahn':5B,6B 'klezmer':22,24 'korolenko':8B,9B 'loc':18 'mi':23,25 'oy':10B 'psoy':7B 'rakhmones':1A 'style':19 'tayvl':3A 'the':12C 'unternational':16C 'unternationale':13C,14C,17
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['socialist', 'israeli', 'yiddish', 'ru', 'klezmer']
                                        'tag_date'  2008
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528387.2345238  (2021-05-09 04:46:27)
                             'size'  13701438