======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '189'
                                          'artist'  'Combustible Edison'
                                     'text_people'  ''
                                         'release'  'I, Swinger'
                                           'title'  'Carnival Of Souls'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['lounge', 'electronic', 'jazz', 'exotica', 'easy listening']"
                                     'discogstags'  "['jazz', 'rock', 'lounge', 'future jazz', 'avantgarde']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '1994'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa'
                                             'bpm'  '119.971'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'I, Swinger'
'TBPM' (BPM (beats per minute))                     '119.971'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-lounge or exotica or bossa'
'TDOR' (Original release time)                      '1994'
'TDRC' (Recording time)                             '1994'
'TIT2' (Title/songname/content description)         'Carnival Of Souls'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Combustible Edison'
'TRCK' (Track number/Position in set)               '8'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['jazz', 'rock', 'lounge', 'future jazz', 'avantgarde']
'TXXX:lastfmtags'                                   ['lounge', 'electronic', 'jazz', 'exotica', 'easy listening']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'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'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-1.48 dB'
'TXXX:replaygain_track_peak'                        '0.674751'

========================== row from database ==========================
                                              'id'  1342185
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Combustible Edison__I, Swinger__cifs3d67.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  189
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa
                                        'filesize'  3030211
                                           'mtime'  1620541227
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] Edison__I, Swinger__cifs3d67 prerock jb jazz lounge or exotica or bossa
                                      'tag_artist'  Combustible Edison
                                     'tag_release'  I, Swinger
                                       'tag_title'  Carnival Of Souls
                                             'bpm'  119.971
                                    'search_title'  'carnival':1 'of':2 'souls':3
                                   'search_artist'  'combustible':1 'edison':2
                                  'search_release'  'i':1,2 'swinger':3
                                     'search_rest'  '00poprockelectronic':1 'bossa':19 'cifs3d67':12 'edison':7,9 'exotica':18 'files':5,6 'i':8,10 'jazz':15 'jb':14 'loose':3,4 'lounge':16 'or':17 'prerock':13 'swinger':11 'unsorted':2
                                    'search_combo'  '00poprockelectronic':9 'bossa':27 'carnival':1A 'cifs3d67':20 'combustible':4B 'edison':5B,15,17 'exotica':26 'files':13,14 'i':6C,7C,16,18 'jazz':23 'jb':22 'loose':11,12 'lounge':24 'of':2A 'or':25 'prerock':21 'souls':3A 'swinger':8C,19 'unsorted':10
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['lounge', 'electronic', 'jazz', 'exotica', 'easy listening']
                                        'tag_date'  1994
                                     'discogstags'  ['jazz', 'rock', 'lounge', 'future jazz', 'avantgarde']

============================== file details ==============================
                                           'mtime'  1620541227.207156  (2021-05-09 08:20:27)
                             'size'  3030211