======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '285'
                                          'artist'  'Sneaker Pimps'
                                     'text_people'  ''
                                         'release'  'Splinter'
                                           'title'  'Splinter'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'electronic', 'alternative', 'trip hop', 'chillout']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '107.208'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Splinter'
'TBPM' (BPM (beats per minute))                     '107.208'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'Splinter'
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               'Sneaker Pimps'
'TRCK' (Track number/Position in set)               '11'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronica', 'electronic', 'alternative', 'trip hop', 'chillout']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.12 dB'
'TXXX:replaygain_track_peak'                        '0.562693'

========================== row from database ==========================
                                              'id'  1294049
                                            'path'  /data/Music/Bulk/00poprockelectronic/00trip/MBZ;#Sneaker Pimps;#Splinter;#11;#Splinter.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  285
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  5717492
                                           'mtime'  1636910715
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00trip MBZ;#Sneaker Pimps;#Splinter;#11;#Splinter electronic trip hop or downtempo or acid jazz
                                      'tag_artist'  Sneaker Pimps
                                     'tag_release'  Splinter
                                       'tag_title'  Splinter
                                             'bpm'  107.208
                                    'search_title'  'splinter':1
                                   'search_artist'  'pimps':2 'sneaker':1
                                  'search_release'  'splinter':1
                                     'search_rest'  '00poprockelectronic':1 '00trip':2 '11':9,13 'acid':20 'downtempo':19 'electronic':15 'hop':17 'jazz':21 'mbz':3,5 'or':18 'pimps':7,11 'sneaker':4,6 'splinter':8,10,12,14 'trip':16
                                    'search_combo'  '00poprockelectronic':5 '00trip':6 '11':13,17 'acid':24 'downtempo':23 'electronic':19 'hop':21 'jazz':25 'mbz':7,9 'or':22 'pimps':3B,11,15 'sneaker':2B,8,10 'splinter':1A,4C,12,14,16,18 'trip':20
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'electronic', 'alternative', 'trip hop', 'chillout']
                                        'tag_date'  1999
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636910714.772582  (2021-11-14 18:25:14)
                             'size'  5717492