======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '381'
                                          'artist'  'Acrid Abeyance'
                                     'text_people'  ''
                                         'release'  'maleta  acid rave'
                                           'title'  'Speed Freak (Original Mix)'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-GRIT-3', 'q-bass-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'Q-SYN-4', 'Q-BUSY-3', 'Q-PLAY-2', 'Q-CHART-2', "
 "'Q-MIXBEAT-3']")
                                      'lastfmtags'  "['acid', 'techno', 'trance', 'oldskool acid', 'uk']"
                                     'discogstags'  "['acid', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-acid'
                                             'bpm'  '108.7'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'maleta  acid rave'
'TBPM' (BPM (beats per minute))                     '108.7'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-acid'
'TDRC' (Recording time)                             '1996'
'TENC' (Encoded by)                                 'Lame 3.93.1'
'TIT2' (Title/songname/content description)         'Speed Freak (Original Mix)'
'TKEY' (Initial key)                                '8A'
'TLAN' (Language(s))                                'English'
'TPE1' (Lead performer(s)/Soloist(s))               'Acrid Abeyance'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'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:discogstags'                                  ['acid', 'electronic']
'TXXX:lastfmtags'                                   ['acid', 'techno', 'trance', 'oldskool acid', 'uk']
'TXXX:q-bass'                                       '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.42 dB'
'TXXX:replaygain_track_peak'                        '0.599974'

========================== row from database ==========================
                                              'id'  1484099
                                            'path'  /data/Music/Bulk/00poprockelectronic/maleta__ acid rave/acrid abeyance - speed freak (original mix).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  381
                                           'genre'  electronic-th-techno-acid
                                        'filesize'  15260650
                                           'mtime'  1620573733
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic maleta__ acrid abeyance speed freak (original mix) electronic th techno
                                      'tag_artist'  Acrid Abeyance
                                     'tag_release'  maleta  acid rave
                                       'tag_title'  Speed Freak (Original Mix)
                                             'bpm'  108.7
                                    'search_title'  'freak':2 'mix':5,6 'original':3,4 'speed':1
                                   'search_artist'  'abeyance':2 'acrid':1
                                  'search_release'  'acid':2 'maleta':1 'rave':3
                                     'search_rest'  '00poprockelectronic':1 'abeyance':4 'acrid':3 'electronic':11 'freak':6 'maleta':2 'mix':9,10 'original':7,8 'speed':5 'techno':13 'th':12
                                    'search_combo'  '00poprockelectronic':12 'abeyance':8B,15 'acid':10C 'acrid':7B,14 'electronic':22 'freak':2A,17 'maleta':9C,13 'mix':5A,6A,20,21 'original':3A,4A,18,19 'rave':11C 'speed':1A,16 'techno':24 'th':23
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           '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-PLAY-2', 'Q-SYN-4', 'q-other-2', 'Q-BUSY-3', 'Q-HAP-2', 'q-bass-1']
                                      'lastfmtags'  ['acid', 'techno', 'trance', 'oldskool acid', 'uk']
                                        'tag_date'  1996
                                     'discogstags'  ['acid', 'electronic']

============================== file details ==============================
                                           'mtime'  1620573732.7325952  (2021-05-09 17:22:12)
                             'size'  15260650