======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '124'
                                          'artist'  'Royaltones'
                                     'text_people'  ''
                                         'release'  'Flamingo Express'
                                           'title'  'Peppermint Twist'
                                           'quals'  ("['Q-OLDST-2', 'Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-2', "
 "'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['surf', 'doo wop', 'rhythm and blues', 'rock and roll', 'twist']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  '32'
                                            'date'  '1994'
                                        'comments'  ''
                                           'genre'  'set-th-candy'
                                             'bpm'  '99.812'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PRIV:Amadeus II 3.5:pdat\x00\x00\x00\x1cAHCGDGCHAAAAAAGAAACPPDAIAAAA'  PRIV(owner='Amadeus II 3.5', data=b'pdat\x00\x00\x00\x1cAHCGDGCHAAAAAAGAAACPPDAIAAAA')
'TALB' (Album/Movie/Show title)                     'Flamingo Express'
'TBPM' (BPM (beats per minute))                     '99.812'
'TCON' (Content type, a.k.a. Genre)                 'set-th-candy'
'TDRC' (Recording time)                             '1994'
'TIT2' (Title/songname/content description)         'Peppermint Twist'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Royaltones'
'TRCK' (Track number/Position in set)               '12/32'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['surf', 'doo wop', 'rhythm and blues', 'rock and roll', 'twist']
'TXXX:q-bass'                                       '1'
'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'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.00 dB'
'TXXX:replaygain_track_peak'                        '0.397377'

========================== row from database ==========================
                                              'id'  736107
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/sweets/The Royaltones - Peppermint Twist (Goldisc, 1961; wr. G. Popoff, M. Popoff & G. Katsakis).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  124
                                           'genre'  set-th-candy
                                        'filesize'  4478234
                                           'mtime'  1620343131
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country sweets The (Goldisc, 1961; wr. G. Popoff, M. Popoff & G. Katsakis) set th candy
                                      'tag_artist'  Royaltones
                                     'tag_release'  Flamingo Express
                                       'tag_title'  Peppermint Twist
                                             'bpm'  99.812
                                    'search_title'  'peppermint':1 'twist':2
                                   'search_artist'  'royaltones':1
                                  'search_release'  'express':2 'flamingo':1
                                     'search_rest'  '1961':9,10 'candy':23 'country':4 'exotica':2 'g':13,14 'goldisc':7,8 'jazz':1 'katsakis':19,20 'm':17,18 'oldies':3 'popoff':15,16 'set':21 'sweets':5 'th':22 'the':6 'wr':11,12
                                    'search_combo'  '1961':14,15 'candy':28 'country':9 'exotica':7 'express':5C 'flamingo':4C 'g':18,19 'goldisc':12,13 'jazz':6 'katsakis':24,25 'm':22,23 'oldies':8 'peppermint':1A 'popoff':20,21 'royaltones':3B 'set':26 'sweets':10 'th':27 'the':11 'twist':2A 'wr':16,17
                                    'tag_tracknum'  12
                                      'num_images'  1
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-4', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['surf', 'doo wop', 'rhythm and blues', 'rock and roll', 'twist']
                                        'tag_date'  1994
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620343130.7827103  (2021-05-07 01:18:50)
                             'size'  4478234