======================== unified (from filesystem) ========================
                                         'bitrate'  '203.646'
                                        'duration'  '266'
                                          'artist'  'The Brand New Heavies'
                                     'text_people'  ''
                                         'release'  'Brother Sister'
                                           'title'  'Spend Some Time'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-3', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['jazz', 'acid jazz', 'chillout', 'soul', 'funk']"
                                     'discogstags'  "['electronic', 'funk / soul', 'acid jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '1994'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '116.722'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Brother Sister'
'TBPM' (BPM (beats per minute))                     '116.722'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TDRC' (Recording time)                             '1994'
'TIT2' (Title/songname/content description)         'Spend Some Time'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Brand New Heavies'
'TRCK' (Track number/Position in set)               '8'
'TXXX:Fmps_playcount'                               '1'
'TXXX:Fmps_rating'                                  '0.6'
'TXXX:Fmps_rating_amarok_score'                     '0.125'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'funk / soul', 'acid jazz']
'TXXX:lastfmtags'                                   ['jazz', 'acid jazz', 'chillout', 'soul', 'funk']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.32 dB'
'TXXX:replaygain_track_peak'                        '0.613262'

========================== row from database ==========================
                                              'id'  1298291
                                            'path'  /data/Music/Bulk/00poprockelectronic/The Brand New Heavies/08 - Spend Some Time.mp3
                                         'working'  None
                                         'bitrate'  203
                                    'duration_sec'  266
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  6776262
                                           'mtime'  1636911422
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 08 electronic trip hop or downtempo or acid jazz
                                      'tag_artist'  The Brand New Heavies
                                     'tag_release'  Brother Sister
                                       'tag_title'  Spend Some Time
                                             'bpm'  116.722
                                    'search_title'  'some':2 'spend':1 'time':3
                                   'search_artist'  'brand':2 'heavies':4 'new':3 'the':1
                                  'search_release'  'brother':1 'sister':2
                                     'search_rest'  '00poprockelectronic':1 'acid':7 'downtempo':6 'electronic':2 'hop':4 'jazz':8 'or':5 'trip':3
                                    'search_combo'  '00poprockelectronic':10 'acid':16 'brand':5B 'brother':8C 'downtempo':15 'electronic':11 'heavies':7B 'hop':13 'jazz':17 'new':6B 'or':14 'sister':9C 'some':2A 'spend':1A 'the':4B 'time':3A 'trip':12
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  1A
                                           '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-3', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['jazz', 'acid jazz', 'chillout', 'soul', 'funk']
                                        'tag_date'  1994
                                     'discogstags'  ['electronic', 'funk / soul', 'acid jazz']

============================== file details ==============================
                                           'mtime'  1636911421.8799906  (2021-11-14 18:37:01)
                             'size'  6776262