======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '511'
                                          'artist'  'Quest'
                                     'text_people'  ''
                                         'release'  'maleta  acid rave'
                                           'title'  'Accelerator (Sunnyside Dub)'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-GRIT-3', 'q-bass-3', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'q-drums-4', 'q-other-1', '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'  "['dubstep', 'hip-hop', 'rap', 'jazz', 'hip hop']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-acid'
                                             'bpm'  '132.0'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'maleta  acid rave'
'TBPM' (BPM (beats per minute))                     '132.0'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-acid'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Accelerator (Sunnyside Dub)'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Quest'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf57.19.100'
'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'                            'iso6mp41'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['dubstep', 'hip-hop', 'rap', 'jazz', 'hip hop']
'TXXX:major_brand'                                  'dash'
'TXXX:minor_version'                                '0'
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.60 dB'
'TXXX:replaygain_track_peak'                        '0.633394'

========================== row from database ==========================
                                              'id'  1483926
                                            'path'  /data/Music/Bulk/00poprockelectronic/maleta__ acid rave/quest - accelerator (sunnyside dub).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  511
                                           'genre'  electronic-th-techno-acid
                                        'filesize'  12290126
                                           'mtime'  1620573810
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic maleta__ quest accelerator (sunnyside dub) electronic th techno
                                      'tag_artist'  Quest
                                     'tag_release'  maleta  acid rave
                                       'tag_title'  Accelerator (Sunnyside Dub)
                                             'bpm'  132.0
                                    'search_title'  'accelerator':1 'dub':4,5 'sunnyside':2,3
                                   'search_artist'  'quest':1
                                  'search_release'  'acid':2 'maleta':1 'rave':3
                                     'search_rest'  '00poprockelectronic':1 'accelerator':4 'dub':7,8 'electronic':9 'maleta':2 'quest':3 'sunnyside':5,6 'techno':11 'th':10
                                    'search_combo'  '00poprockelectronic':10 'accelerator':1A,13 'acid':8C 'dub':4A,5A,16,17 'electronic':18 'maleta':7C,11 'quest':6B,12 'rave':9C 'sunnyside':2A,3A,14,15 'techno':20 'th':19
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  2A
                                           '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-1', 'Q-BUSY-3', 'Q-HAP-2', 'Q-PLAY-2', 'q-bass-3']
                                      'lastfmtags'  ['dubstep', 'hip-hop', 'rap', 'jazz', 'hip hop']
                                        'tag_date'  2000
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620573810.3668258  (2021-05-09 17:23:30)
                             'size'  12290126