======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '231'
                                          'artist'  'The Guitars, Inc.'
                                     'text_people'  ''
                                         'release'  'The Cool Scene - Twelve New Ways To Fly'
                                           'title'  'Invitation'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '08'
                                      'tracktotal'  ''
                                            'date'  '1959'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa'
                                             'bpm'  '136.276'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Cool Scene - Twelve New Ways To Fly'
'TBPM' (BPM (beats per minute))                     '136.276'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-lounge or exotica or bossa'
'TDRC' (Recording time)                             '1959'
'TIT2' (Title/songname/content description)         'Invitation'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Guitars, Inc.'
'TRCK' (Track number/Position in set)               '08'
'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: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'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+2.77 dB'
'TXXX:replaygain_track_peak'                        '0.612216'

========================== row from database ==========================
                                              'id'  973867
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/The Cool Scene - Twelve New Ways To Fly (ws1328) (1959)/08 The Guitars, Inc. - Invitation.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  231
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa
                                        'filesize'  9244406
                                           'mtime'  1620536271
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country (ws1328) (1959) 08 prerock jb jazz lounge or exotica or bossa
                                      'tag_artist'  The Guitars, Inc.
                                     'tag_release'  The Cool Scene - Twelve New Ways To Fly
                                       'tag_title'  Invitation
                                             'bpm'  136.276
                                    'search_title'  'invitation':1
                                   'search_artist'  'guitars':2,3 'inc':4,5 'the':1
                                  'search_release'  'cool':2 'fly':8 'new':5 'scene':3 'the':1 'to':7 'twelve':4 'ways':6
                                     'search_rest'  '1959':7,8 'bossa':13 'country':4 'exotica':2 'jazz':1 'jb':10 'lounge':11 'oldies':3 'or':12 'prerock':9 'ws1328':5,6
                                    'search_combo'  '1959':21,22 'bossa':27 'cool':8C 'country':18 'exotica':16 'fly':14C 'guitars':3B,4B 'inc':5B,6B 'invitation':1A 'jazz':15 'jb':24 'lounge':25 'new':11C 'oldies':17 'or':26 'prerock':23 'scene':9C 'the':2B,7C 'to':13C 'twelve':10C 'ways':12C 'ws1328':19,20
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1959
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620536270.7654707  (2021-05-09 06:57:50)
                             'size'  9244406