======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '157'
                                          'artist'  'The Hash Brown Sounds'
                                     'text_people'  ''
                                         'release'  'SpaceAgePopMusic'
                                           'title'  'Overseas Operator'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'Q-PLAY-2', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-1', 'q-drums-2', 'q-other-3', 'q-vocals-3', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  '21'
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa'
                                             'bpm'  '107.3'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'COMM:CDDB Disc ID:XXX'                             '3710E315'
'TALB' (Album/Movie/Show title)                     'SpaceAgePopMusic'
'TBPM' (BPM (beats per minute))                     '107.3'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-lounge or exotica or bossa'
'TIT2' (Title/songname/content description)         'Overseas Operator'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Hash Brown Sounds'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '13/21'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.82.02, LAME dll 3.93, 128 Kbit/s, Stereo, Normal quality'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.16 dB'
'TXXX:replaygain_track_peak'                        '0.474414'

========================== row from database ==========================
                                              'id'  1310331
                                            'path'  /data/Music/Bulk/00poprockelectronic/00trip/Spaceagepopmusic/The Hash Brown Sounds - Overseas Operator.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  157
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa
                                        'filesize'  2523136
                                           'mtime'  1620540741
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00trip Spaceagepopmusic prerock jb jazz lounge exotica bossa
                                      'tag_artist'  The Hash Brown Sounds
                                     'tag_release'  SpaceAgePopMusic
                                       'tag_title'  Overseas Operator
                                             'bpm'  107.3
                                    'search_title'  'operator':2 'overseas':1
                                   'search_artist'  'brown':3 'hash':2 'sounds':4 'the':1
                                  'search_release'  'age':3 'music':5 'pop':4 'space':2 'spaceagepopmusic':1
                                     'search_rest'  '00poprockelectronic':1 '00trip':2 'bossa':9 'exotica':8 'jazz':6 'jb':5 'lounge':7 'prerock':4 'spaceagepopmusic':3
                                    'search_combo'  '00poprockelectronic':12 '00trip':13 'age':9C 'bossa':20 'brown':5B 'exotica':19 'hash':4B 'jazz':17 'jb':16 'lounge':18 'music':11C 'operator':2A 'overseas':1A 'pop':10C 'prerock':15 'sounds':6B 'space':8C 'spaceagepopmusic':7C,14 'the':3B
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620540741.4669573  (2021-05-09 08:12:21)
                             'size'  2523136