======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '129'
                                          'artist'  'The Chaperones'
                                     'text_people'  ''
                                         'release'  "Rockin' Through The Ages: Vol. 146"
                                           'title'  'Blueberry Sweet'
                                           'quals'  ("['Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  "['oldies', '60s', 'indie', 'alternative', 'doo wop']"
                                     'discogstags'  "['doo wop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'set-th-candy'
                                             'bpm'  '126.252'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PRIV:AverageLevel:{\x14\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x14\x00\x00')
'PRIV:PeakValue:¡\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xa1\x7f\x00\x00')
'TALB' (Album/Movie/Show title)                     "Rockin' Through The Ages: Vol. 146"
'TBPM' (BPM (beats per minute))                     '126.252'
'TCON' (Content type, a.k.a. Genre)                 'set-th-candy'
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         'Blueberry Sweet'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Chaperones'
'TRCK' (Track number/Position in set)               '01'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'doo wop'
'TXXX:lastfmtags'                                   ['oldies', '60s', 'indie', 'alternative', 'doo wop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.69 dB'
'TXXX:replaygain_track_peak'                        '0.505512'

========================== row from database ==========================
                                              'id'  735776
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/sweets/The Chaperones - Blueberry Sweet (Josie, 1961; wr. Saul Davis; pr. Mickey Eichner).mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  129
                                           'genre'  set-th-candy
                                        'filesize'  2807239
                                           'mtime'  1620343127
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country sweets (Josie, 1961; wr. Saul Davis; pr. Mickey Eichner) set th candy
                                      'tag_artist'  The Chaperones
                                     'tag_release'  Rockin' Through The Ages: Vol. 146
                                       'tag_title'  Blueberry Sweet
                                             'bpm'  126.252
                                    'search_title'  'blueberry':1 'sweet':2
                                   'search_artist'  'chaperones':2 'the':1
                                  'search_release'  '146':9 'ages':5,6 'rockin':1,2 'the':4 'through':3 'vol':7,8
                                     'search_rest'  '1961':8,9 'candy':22 'country':4 'davis':13,14 'eichner':18,19 'exotica':2 'jazz':1 'josie':6,7 'mickey':17 'oldies':3 'pr':15,16 'saul':12 'set':20 'sweets':5 'th':21 'wr':10,11
                                    'search_combo'  '146':13C '1961':21,22 'ages':9C,10C 'blueberry':1A 'candy':35 'chaperones':4B 'country':17 'davis':26,27 'eichner':31,32 'exotica':15 'jazz':14 'josie':19,20 'mickey':30 'oldies':16 'pr':28,29 'rockin':5C,6C 'saul':25 'set':33 'sweet':2A 'sweets':18 'th':34 'the':3B,8C 'through':7C 'vol':11C,12C 'wr':23,24
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-1', 'q-syn-1', 'q-chart-2', 'q-other-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['oldies', '60s', 'indie', 'alternative', 'doo wop']
                                        'tag_date'  1965
                                     'discogstags'  ['doo wop']

============================== file details ==============================
                                           'mtime'  1620343126.8425314  (2021-05-07 01:18:46)
                             'size'  2807239