======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '137'
                                          'artist'  'les baxter'
                                     'text_people'  ''
                                         'release'  'ultralounge vol 1 - mondo exotica'
                                           'title'  'atlantis'
                                           '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-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['lounge', 'space age pop', 'jazz', 'exotica', 'easy listening']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '18'
                                            'date'  '1960'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa'
                                             'bpm'  '101.8'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'ultralounge vol 1 - mondo exotica'
'TBPM' (BPM (beats per minute))                     '101.8'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-lounge or exotica or bossa'
'TDRC' (Recording time)                             '1960'
'TIT2' (Title/songname/content description)         'atlantis'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'les baxter'
'TRCK' (Track number/Position in set)               '5/18'
'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'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.74 dB'
'TXXX:replaygain_track_peak'                        '0.698762'

========================== row from database ==========================
                                              'id'  1383146
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/chick floyd and his orchestra - ultralounge vol 1 - mondo exotica/les baxter - atlantis.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  137
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa
                                        'filesize'  3299118
                                           'mtime'  1620537424
                                   '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'  atlantis
                                             'bpm'  101.8
                                    'search_title'  'atlantis':1
                                   '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':6C 'and':14 'atlantis':1A 'baxter':3B 'bossa':20 'chick':12 'country':11 'exotica':8C 'floyd':13 'his':15 'jazz':9 'jb':18 'les':2B 'mondo':7C 'oldies':10 'or':19 'orchestra':16 'prerock':17 'ultralounge':4C 'vol':5C
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-2', 'q-syn-2', 'q-chart-2', 'q-other-3', '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'  1620537424.4126418  (2021-05-09 07:17:04)
                             'size'  3299118