======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '293'
                                          'artist'  'Bloodstone'
                                     'text_people'  ''
                                         'release'  'Jackie Brown'
                                           'title'  'Natural High'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', 'Q-JZFKS-3', 'Q-UNU-1', "
 "'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  "['old school death metal', 'death metal', 'soul', 'funk', '7soul']"
                                     'discogstags'  "['funk / soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '113.326'
                                             'key'  '1B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Jackie Brown'
'TBPM' (BPM (beats per minute))                     '113.326'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TIT2' (Title/songname/content description)         'Natural High'
'TKEY' (Initial key)                                '1B'
'TPE1' (Lead performer(s)/Soloist(s))               'Bloodstone'
'TRCK' (Track number/Position in set)               '7'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'funk / soul'
'TXXX:lastfmtags'                                   ['old school death metal', 'death metal', 'soul', 'funk', '7soul']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.30 dB'
'TXXX:replaygain_track_peak'                        '0.339265'

========================== row from database ==========================
                                              'id'  1348592
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Bloodstone__Jackie Brown__cifsf321.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  293
                                           'genre'  soundtrack-video
                                        'filesize'  7055825
                                           'mtime'  1620331868
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] Bloodstone__Jackie Brown__cifsf321 soundtrack video
                                      'tag_artist'  Bloodstone
                                     'tag_release'  Jackie Brown
                                       'tag_title'  Natural High
                                             'bpm'  113.326
                                    'search_title'  'high':2 'natural':1
                                   'search_artist'  'bloodstone':1
                                  'search_release'  'brown':2 'jackie':1
                                     'search_rest'  '00poprockelectronic':1 'bloodstone':7 'brown':9 'cifsf321':10 'files':5,6 'jackie':8 'loose':3,4 'soundtrack':11 'unsorted':2 'video':12
                                    'search_combo'  '00poprockelectronic':6 'bloodstone':3B,12 'brown':5C,14 'cifsf321':15 'files':10,11 'high':2A 'jackie':4C,13 'loose':8,9 'natural':1A 'soundtrack':16 'unsorted':7 'video':17
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  1B
                                           '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-3', 'q-busy-2', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['old school death metal', 'death metal', 'soul', 'funk', '7soul']
                                        'tag_date'  
                                     'discogstags'  ['funk / soul']

============================== file details ==============================
                                           'mtime'  1620331867.6755605  (2021-05-06 22:11:07)
                             'size'  7055825