======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '154'
                                          'artist'  'les baxter'
                                     'text_people'  ''
                                         'release'  'ultralounge vol 1 - mondo exotica'
                                           'title'  'pyramid of the sun'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['lounge', 'space age pop', 'jazz', 'exotica', 'easy listening']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  '18'
                                            'date'  '1960'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa'
                                             'bpm'  '91.5'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'ultralounge vol 1 - mondo exotica'
'TBPM' (BPM (beats per minute))                     '91.5'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-lounge or exotica or bossa'
'TDRC' (Recording time)                             '1960'
'TIT2' (Title/songname/content description)         'pyramid of the sun'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'les baxter'
'TRCK' (Track number/Position in set)               '16/18'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['lounge', 'space age pop', 'jazz', 'exotica', 'easy listening']
'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'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.28 dB'
'TXXX:replaygain_track_peak'                        '0.707095'

========================== row from database ==========================
                                              'id'  1384114
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/chick floyd and his orchestra - ultralounge vol 1 - mondo exotica/les baxter - pyramid of the sun.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  154
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa
                                        'filesize'  3710389
                                           'mtime'  1620537425
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz oldies country chick floyd and his orchestra prerock jb jazz or or bossa
                                      'tag_artist'  les baxter
                                     'tag_release'  ultralounge vol 1 - mondo exotica
                                       'tag_title'  pyramid of the sun
                                             'bpm'  91.5
                                    'search_title'  'of':2 'pyramid':1 'sun':4 'the':3
                                   'search_artist'  'baxter':2 'les':1
                                  'search_release'  '1':3 'exotica':5 'mondo':4 'ultralounge':1 'vol':2
                                     'search_rest'  'and':6 'bossa':12 'chick':4 'country':3 'floyd':5 'his':7 'jazz':1 'jb':10 'oldies':2 'or':11 'orchestra':8 'prerock':9
                                    'search_combo'  '1':9C 'and':17 'baxter':6B 'bossa':23 'chick':15 'country':14 'exotica':11C 'floyd':16 'his':18 'jazz':12 'jb':21 'les':5B 'mondo':10C 'of':2A 'oldies':13 'or':22 'orchestra':19 'prerock':20 'pyramid':1A 'sun':4A 'the':3A 'ultralounge':7C 'vol':8C
                                    'tag_tracknum'  16
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['lounge', 'space age pop', 'jazz', 'exotica', 'easy listening']
                                        'tag_date'  1960
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620537424.8235621  (2021-05-09 07:17:04)
                             'size'  3710389