======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '275'
                                          'artist'  'Aria'
                                     'text_people'  ''
                                         'release'  'Haze'
                                           'title'  'ariella (dub)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['trance', 'lush', 'metal', 'japanese', 'heavy metal', 'russian']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '144.955'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Haze'
'TBPM' (BPM (beats per minute))                     '144.955'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'ariella (dub)'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Aria'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['trance', 'lush', 'metal', 'japanese', 'heavy metal', 'russian']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.28 dB'
'TXXX:replaygain_track_peak'                        '0.730859'

========================== row from database ==========================
                                              'id'  1287357
                                            'path'  /data/Music/Bulk/00poprockelectronic/00trip/Aria/aria - haze - 03 - ariella (dub).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  275
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  6614171
                                           'mtime'  1636910254
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00trip aria haze 03 electronic trip hop or downtempo or acid jazz
                                      'tag_artist'  Aria
                                     'tag_release'  Haze
                                       'tag_title'  ariella (dub)
                                             'bpm'  144.955
                                    'search_title'  'ariella':1 'dub':2,3
                                   'search_artist'  'aria':1
                                  'search_release'  'haze':1
                                     'search_rest'  '00poprockelectronic':1 '00trip':2 'acid':10 'aria':3 'downtempo':9 'electronic':5 'haze':4 'hop':7 'jazz':11 'or':8 'trip':6
                                    'search_combo'  '00poprockelectronic':6 '00trip':7 'acid':15 'aria':4B,8 'ariella':1A 'downtempo':14 'dub':2A,3A 'electronic':10 'haze':5C,9 'hop':12 'jazz':16 'or':13 'trip':11
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['trance', 'lush', 'metal', 'japanese', 'heavy metal', 'russian']
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636910254.1769562  (2021-11-14 18:17:34)
                             'size'  6614171