======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '62'
                                          'artist'  'Deben Bhattacharya'
                                     'text_people'  ''
                                         'release'  '[Argo ZFB 49] Music from Hungary - The Living Tradition - P.1971'
                                           'title'  "B8 Lullaby \x14 Babaalits 1'00"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-3', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-4', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['traditional', 'ethnic', 'world music', 'folk', 'ethnomusicologist']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '1971'
                                        'comments'  ''
                                           'genre'  'loc-eur-hungary'
                                             'bpm'  '112.383'
                                             'key'  '1B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     '[Argo ZFB 49] Music from Hungary - The Living Tradition - P.1971'
'TBPM' (BPM (beats per minute))                     '112.383'
'TCON' (Content type, a.k.a. Genre)                 'loc-eur-hungary'
'TDRC' (Recording time)                             '1971'
'TIT2' (Title/songname/content description)         "B8 Lullaby \x14 Babaalits 1'00"
'TKEY' (Initial key)                                '1B'
'TPE1' (Lead performer(s)/Soloist(s))               'Deben Bhattacharya'
'TRCK' (Track number/Position in set)               '8'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '4'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '3'
'TXXX:lastfmtags'                                   ['traditional', 'ethnic', 'world music', 'folk', 'ethnomusicologist']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.56 dB'
'TXXX:replaygain_track_peak'                        '0.668822'

========================== row from database ==========================
                                              'id'  1521081
                                            'path'  /data/Music/Bulk/00localcharacter/00south-europe-middle-east/Deben Bhattacharya - Music from Hungary (Argo, 1971)/B8 Lullaby - Babaalito 1_00-sf.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  62
                                           'genre'  loc-eur-hungary
                                        'filesize'  2504921
                                           'mtime'  1620532695
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00south europe middle east (Argo, 1971) Babaalito 1_00 sf loc eur hungary
                                      'tag_artist'  Deben Bhattacharya
                                     'tag_release'  [Argo ZFB 49] Music from Hungary - The Living Tradition - P.1971
                                       'tag_title'  B8 Lullaby  Babaalits 1'00
                                             'bpm'  112.383
                                    'search_title'  '00':5 '1':4 '100':6 'b8':1 'babaalits':3 'lullaby':2
                                   'search_artist'  'bhattacharya':2 'deben':1
                                  'search_release'  '1971':13 '49':4,5 'argo':1,2 'from':7 'hungary':8 'living':10 'music':6 'p':12 'p1971':14 'the':9 'tradition':11 'zfb':3
                                     'search_rest'  '00':11 '00south':1 '1':10 '1971':7,8 'argo':5,6 'babaalito':9 'east':4 'eur':14 'europe':2 'hungary':15 'loc':13 'middle':3 'sf':12
                                    'search_combo'  '00':5A,33 '00south':23 '1':4A,32 '100':6A '1971':21C,29,30 '49':12C,13C 'argo':9C,10C,27,28 'b8':1A 'babaalito':31 'babaalits':3A 'bhattacharya':8B 'deben':7B 'east':26 'eur':36 'europe':24 'from':15C 'hungary':16C,37 'living':18C 'loc':35 'lullaby':2A 'middle':25 'music':14C 'p':20C 'p1971':22C 'sf':34 'the':17C 'tradition':19C 'zfb':11C
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  1B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-4', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['traditional', 'ethnic', 'world music', 'folk', 'ethnomusicologist']
                                        'tag_date'  1971
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620532695.046615  (2021-05-09 05:58:15)
                             'size'  2504921