======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '115'
                                          'artist'  'Les Baxter'
                                     'text_people'  ''
                                         'release'  'Space Escapade'
                                           'title'  'Shooting Star'
                                           'quals'  ("['Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['lounge', 'space age pop', 'jazz', 'exotica', 'easy listening']"
                                     'discogstags'  "['jazz', 'pop', 'space-age', 'easy listening', 'neo-romantic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  ''
                                            'date'  '1957'
                                        'comments'  ''
                                           'genre'  'prerock-jb'
                                             'bpm'  '144.955'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Space Escapade'
'TBPM' (BPM (beats per minute))                     '144.955'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb'
'TDRC' (Recording time)                             '1957'
'TIT2' (Title/songname/content description)         'Shooting Star'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Les Baxter'
'TRCK' (Track number/Position in set)               '01'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['jazz', 'pop', 'space-age', 'easy listening', 'neo-romantic']
'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'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.65 dB'
'TXXX:replaygain_track_peak'                        '0.381882'

========================== row from database ==========================
                                              'id'  1311592
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/01 - Shooting Star.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  115
                                           'genre'  prerock-jb
                                        'filesize'  2677699
                                           'mtime'  1630249715
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 01 prerock jb
                                      'tag_artist'  Les Baxter
                                     'tag_release'  Space Escapade
                                       'tag_title'  Shooting Star
                                             'bpm'  144.955
                                    'search_title'  'shooting':1 'star':2
                                   'search_artist'  'baxter':2 'les':1
                                  'search_release'  'escapade':2 'space':1
                                     'search_rest'  '00poprockelectronic':1 'files':5,6 'jb':8 'loose':3,4 'prerock':7 'unsorted':2
                                    'search_combo'  '00poprockelectronic':7 'baxter':4B 'escapade':6C 'files':11,12 'jb':14 'les':3B 'loose':9,10 'prerock':13 'shooting':1A 'space':5C 'star':2A 'unsorted':8
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-2', 'q-other-4', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['lounge', 'space age pop', 'jazz', 'exotica', 'easy listening']
                                        'tag_date'  1957
                                     'discogstags'  ['jazz', 'pop', 'space-age', 'easy listening', 'neo-romantic']

============================== file details ==============================
                                           'mtime'  1630249715.2850838  (2021-08-29 17:08:35)
                             'size'  2677699