======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '173'
                                          'artist'  'Frank Sinatra'
                                     'text_people'  ''
                                         'release'  'The Capitol Years'
                                           'title'  'Deep in a Dream'
                                           'quals'  ("['Q-HAP-3', 'Q-HHRNBTT-1', 'Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['easy listening', 'jazz', 'vocal jazz', 'oldies', 'swing']"
                                     'discogstags'  "['jazz', 'easy listening', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '16'
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-vocal'
                                             'bpm'  '139.7'
                                             'key'  '3A'
                                        'acoustid'  '2fba743c-347b-478c-ab73-9d7c0bf63ad7'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Capitol Years'
'TBPM' (BPM (beats per minute))                     '139.7'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-vocal'
'TDOR' (Original release time)                      '1998'
'TDRC' (Recording time)                             '1998-11-10'
'TIT2' (Title/songname/content description)         'Deep in a Dream'
'TKEY' (Initial key)                                '3A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Frank Sinatra'
'TPE2' (Band/orchestra/accompaniment)               'Frank Sinatra'
'TPOS' (Part of a set)                              '3/21'
'TPUB' (Publisher)                                  'Capitol Records/EMI'
'TRCK' (Track number/Position in set)               '5/16'
'TSO2'                                              'Sinatra, Frank'
'TSOP' (Performer sort order)                       'Sinatra, Frank'
'TSST' (Set subtitle)                               'In the Wee Small Hours'
'TXXX:ASIN'                                         'B00000FDCY'
'TXXX:Acoustid Id'                                  '2fba743c-347b-478c-ab73-9d7c0bf63ad7'
'TXXX:BARCODE'                                      '724349698529'
'TXXX:CATALOGNUMBER'                                '496985 2/7243 4 96985 2 9'
'TXXX:MusicBrainz Album Artist Id'                  '197450cd-0124-4164-b723-3c22dd16494d'
'TXXX:MusicBrainz Album Id'                         '0db9a6d6-1191-4d55-9e4d-1620c815299a'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '197450cd-0124-4164-b723-3c22dd16494d'
'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:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['jazz', 'easy listening', 'swing']
'TXXX:lastfmtags'                                   ['easy listening', 'jazz', 'vocal jazz', 'oldies', 'swing']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.20 dB'
'TXXX:replaygain_track_peak'                        '0.634713'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'deae8ec0-cba2-4d71-9738-2739df6f021e')

========================== row from database ==========================
                                              'id'  1299920
                                            'path'  /data/Music/Bulk/00poprockelectronic/Frank Sinatra/Wee Small Hours/Frank Sinatra - Deep In A Dream - 05.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  173
                                           'genre'  prerock-jb-jazz-vocal
                                        'filesize'  2776822
                                           'mtime'  1620540809
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Wee Small Hours In A 05 prerock jb jazz vocal
                                      'tag_artist'  Frank Sinatra
                                     'tag_release'  The Capitol Years
                                       'tag_title'  Deep in a Dream
                                             'bpm'  139.7
                                    'search_title'  'a':3 'deep':1 'dream':4 'in':2
                                   'search_artist'  'frank':1 'sinatra':2
                                  'search_release'  'capitol':2 'the':1 'years':3
                                     'search_rest'  '00poprockelectronic':1 'a':6 'hours':4 'in':5 'jazz':9 'jb':8 'prerock':7 'small':3 'vocal':10 'wee':2
                                    'search_combo'  '00poprockelectronic':10 'a':3A,15 'capitol':8C 'deep':1A 'dream':4A 'frank':5B 'hours':13 'in':2A,14 'jazz':18 'jb':17 'prerock':16 'sinatra':6B 'small':12 'the':7C 'vocal':19 'wee':11 'years':9C
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-4', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['easy listening', 'jazz', 'vocal jazz', 'oldies', 'swing']
                                        'tag_date'  1998
                                     'discogstags'  ['jazz', 'easy listening', 'swing']

============================== file details ==============================
                                           'mtime'  1620540809.4924378  (2021-05-09 08:13:29)
                             'size'  2776822