======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '156'
                                          'artist'  'Martin Denny'
                                     'text_people'  ''
                                         'release'  'Ultra-Lounge, Vol. 1: Mondo Exotica'
                                           'title'  'Swamp Fire'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-2', 'Q-PLAY-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-1', "
 "'Q-PIANO-2', 'q-chart-2', 'q-drums-2', 'q-other-2', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['lounge', 'tiki', 'space age pop', 'exotica', 'easy listening']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa'
                                             'bpm'  '90'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Ultra-Lounge, Vol. 1: Mondo Exotica'
'TBPM' (BPM (beats per minute))                     '90'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-lounge or exotica or bossa'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'Swamp Fire'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Martin Denny'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['lounge', 'tiki', 'space age pop', 'exotica', 'easy listening']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.17 dB'
'TXXX:replaygain_track_peak'                        '0.682730'

========================== row from database ==========================
                                              'id'  1119391
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Ultra Lounge vol. 1 - Mondo Exotica/01 -  - martin denny - swamp fire.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  156
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa
                                        'filesize'  3763874
                                           'mtime'  1620539104
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm vol. 01 martin denny swamp fire prerock jb jazz lounge or exotica or bossa
                                      'tag_artist'  Martin Denny
                                     'tag_release'  Ultra-Lounge, Vol. 1: Mondo Exotica
                                       'tag_title'  Swamp Fire
                                             'bpm'  90.0
                                    'search_title'  'fire':2 'swamp':1
                                   'search_artist'  'denny':2 'martin':1
                                  'search_release'  '1':6,7 'exotica':9 'lounge':2 'mondo':8 'ultra':1 'ultralounge':3 'vol':4,5
                                     'search_rest'  'bossa':13 'denny':4 'exotica':12 'fire':6 'jazz':9 'jb':8 'lounge':10 'martin':3 'or':11 'prerock':7 'swamp':5 'vol':1,2
                                    'search_combo'  '1':10C,11C 'bossa':26 'denny':4B,17 'exotica':13C,25 'fire':2A,19 'jazz':22 'jb':21 'lounge':6C,23 'martin':3B,16 'mondo':12C 'or':24 'prerock':20 'swamp':1A,18 'ultra':5C 'ultralounge':7C 'vol':8C,9C,14,15
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-2', 'Q-PIANO-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['lounge', 'tiki', 'space age pop', 'exotica', 'easy listening']
                                        'tag_date'  1996
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620539103.6859827  (2021-05-09 07:45:03)
                             'size'  3763874