======================== unified (from filesystem) ========================
                                         'bitrate'  '289.484'
                                        'duration'  '352'
                                          'artist'  'Inquisagon'
                                     'text_people'  ''
                                         'release'  'maleta  acid rave'
                                           'title'  'Today Is A Better Tomorrow (Original Mix)'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'Q-GRIT-3', 'q-bass-3', 'q-drums-4', 'q-other-2', 'q-piano-1', "
 "'q-vocals-1', 'Q-SYN-4', 'Q-BUSY-3', 'Q-PLAY-2', 'Q-CHART-2', 'Q-MIXBEAT-3']")
                                     'discogstags'  "['trance', 'techno', 'acid', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-acid'
                                             'bpm'  '104.4'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'maleta  acid rave'
'TBPM' (BPM (beats per minute))                     '104.4'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-acid'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Today Is A Better Tomorrow (Original Mix)'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Inquisagon'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf56.36.100'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '3'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '4'
'TXXX:Q-UNU'                                        '1'
'TXXX:compatible_brands'                            'Isomiso2'
'TXXX:description'                                  ('The Track Comes From Steve Mason Experience Show On Bfbs Radio, Recorded In '
 '1995.03.04. Enjoy Crew!')
'TXXX:discogstags'                                  ['trance', 'techno', 'acid', 'electronic']
'TXXX:major_brand'                                  'M4a '
'TXXX:minor_version'                                '512'
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.89 dB'
'TXXX:replaygain_track_peak'                        '0.674923'

========================== row from database ==========================
                                              'id'  1484381
                                            'path'  /data/Music/Bulk/00poprockelectronic/maleta__ acid rave/inquisagon - today is a better tomorrow (original mix).mp3
                                         'working'  None
                                         'bitrate'  289
                                    'duration_sec'  352
                                           'genre'  electronic-th-techno-acid
                                        'filesize'  12764958
                                           'mtime'  1620573775
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic maleta__ inquisagon today better tomorrow (original mix) electronic th techno
                                      'tag_artist'  Inquisagon
                                     'tag_release'  maleta  acid rave
                                       'tag_title'  Today Is A Better Tomorrow (Original Mix)
                                             'bpm'  104.4
                                    'search_title'  'a':3 'better':4 'is':2 'mix':8,9 'original':6,7 'today':1 'tomorrow':5
                                   'search_artist'  'inquisagon':1
                                  'search_release'  'acid':2 'maleta':1 'rave':3
                                     'search_rest'  '00poprockelectronic':1 'better':5 'electronic':11 'inquisagon':3 'maleta':2 'mix':9,10 'original':7,8 'techno':13 'th':12 'today':4 'tomorrow':6
                                    'search_combo'  '00poprockelectronic':14 'a':3A 'acid':12C 'better':4A,18 'electronic':24 'inquisagon':10B,16 'is':2A 'maleta':11C,15 'mix':8A,9A,22,23 'original':6A,7A,20,21 'rave':13C 'techno':26 'th':25 'today':1A,17 'tomorrow':5A,19
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-3', 'Q-OLDST-3', 'Q-GRIT-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-4', 'Q-SYN-4', 'q-other-2', 'Q-BUSY-3', 'Q-HAP-2', 'Q-PLAY-2', 'q-bass-3']
                                      'lastfmtags'  []
                                        'tag_date'  1995
                                     'discogstags'  ['trance', 'techno', 'acid', 'electronic']

============================== file details ==============================
                                           'mtime'  1620573775.1479628  (2021-05-09 17:22:55)
                             'size'  12764958