======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '138'
                                          'artist'  'Kenyon Hopkins'
                                     'text_people'  ''
                                         'release'  'Contrasting Colors (Capitol T-1158 Mono)'
                                           'title'  'Am I Blue?'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['lounge', 'chill906', 'jazz', 'soundtrack', 'latin']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '02'
                                      'tracktotal'  ''
                                            'date'  '1959'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa'
                                             'bpm'  '134.5'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Contrasting Colors (Capitol T-1158 Mono)'
'TBPM' (BPM (beats per minute))                     '134.5'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-lounge or exotica or bossa'
'TDRC' (Recording time)                             '1959'
'TENC' (Encoded by)                                 'Basic Hip Digital Oddio'
'TIT2' (Title/songname/content description)         'Am I Blue?'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Kenyon Hopkins'
'TPE2' (Band/orchestra/accompaniment)               'Kenyon Hopkins'
'TRCK' (Track number/Position in set)               '02'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['lounge', 'chill906', 'jazz', 'soundtrack', 'latin']
'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'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.66 dB'
'TXXX:replaygain_track_peak'                        '0.459887'
'WXXX:'                                             WXXX(encoding=<Encoding.LATIN1: 0>, desc='', url='http://www.basichipdigitaloddio.com/365/')

========================== row from database ==========================
                                              'id'  1255197
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/497 Kenyon Hopkins - Contrasting Colors/02_Am_I_Blue.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  138
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa
                                        'filesize'  5716745
                                           'mtime'  1620528059
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 497 02_Am_I_Blue prerock jb jazz lounge exotica bossa
                                      'tag_artist'  Kenyon Hopkins
                                     'tag_release'  Contrasting Colors (Capitol T-1158 Mono)
                                       'tag_title'  Am I Blue?
                                             'bpm'  134.5
                                    'search_title'  'am':1 'blue':3 'i':2
                                   'search_artist'  'hopkins':2 'kenyon':1
                                  'search_release'  '1158':6 'capitol':3,4 'colors':2 'contrasting':1 'mono':8,9 't':5 't1158':7
                                     'search_rest'  '02':6 '497':5 'am':7 'blue':9 'bossa':13 'country':4 'exotica':2 'i':8 'jazz':1 'jb':11 'lounge':12 'oldies':3 'prerock':10
                                    'search_combo'  '02':20 '1158':11C '497':19 'am':1A,21 'blue':3A,23 'bossa':27 'capitol':8C,9C 'colors':7C 'contrasting':6C 'country':18 'exotica':16 'hopkins':5B 'i':2A,22 'jazz':15 'jb':25 'kenyon':4B 'lounge':26 'mono':13C,14C 'oldies':17 'prerock':24 't':10C 't1158':12C
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['lounge', 'chill906', 'jazz', 'soundtrack', 'latin']
                                        'tag_date'  1959
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528058.9433887  (2021-05-09 04:40:58)
                             'size'  5716745