======================== unified (from filesystem) ========================
                                         'bitrate'  '198.425'
                                        'duration'  '521'
                                          'artist'  'Loop Guru'
                                     'text_people'  ''
                                         'release'  'Butterfly Dawn'
                                           'title'  'Climax (Youth and Humphs Rmx)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-LOCALNESS-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'earwaves', 'ambient', 'world', 'electronic', 'chillout']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '95.3'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'POPM:no@email'                                     POPM(email='no@email', rating=196, count=0)
'TALB' (Album/Movie/Show title)                     'Butterfly Dawn'
'TBPM' (BPM (beats per minute))                     '95.3'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDRC' (Recording time)                             '2003'
'TIT1' (Content group description)                  '4'
'TIT2' (Title/songname/content description)         'Climax (Youth and Humphs Rmx)'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Loop Guru'
'TRCK' (Track number/Position in set)               '4'
'TXXX:DATE'                                         '2003'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronica', 'earwaves', 'ambient', 'world', 'electronic', 'chillout']
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.71 dB'
'TXXX:replaygain_track_peak'                        '0.548706'

========================== row from database ==========================
                                              'id'  1331809
                                            'path'  /data/Music/Bulk/00poprockelectronic/Chronos - chillout-dub/loop guru - climax (youth and humphs rmx).mp3
                                         'working'  None
                                         'bitrate'  198
                                    'duration_sec'  521
                                           'genre'  electronic
                                        'filesize'  13050615
                                           'mtime'  1636913974
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Chronos chillout dub loop guru climax (youth humphs rmx) electronic
                                      'tag_artist'  Loop Guru
                                     'tag_release'  Butterfly Dawn
                                       'tag_title'  Climax (Youth and Humphs Rmx)
                                             'bpm'  95.3
                                    'search_title'  'and':4 'climax':1 'humphs':5 'rmx':6,7 'youth':2,3
                                   'search_artist'  'guru':2 'loop':1
                                  'search_release'  'butterfly':1 'dawn':2
                                     'search_rest'  '00poprockelectronic':1 'chillout':3 'chronos':2 'climax':7 'dub':4 'electronic':13 'guru':6 'humphs':10 'loop':5 'rmx':11,12 'youth':8,9
                                    'search_combo'  '00poprockelectronic':12 'and':4A 'butterfly':10C 'chillout':14 'chronos':13 'climax':1A,18 'dawn':11C 'dub':15 'electronic':24 'guru':9B,17 'humphs':5A,21 'loop':8B,16 'rmx':6A,7A,22,23 'youth':2A,3A,19,20
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'earwaves', 'ambient', 'world', 'electronic', 'chillout']
                                        'tag_date'  2003
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636913974.2522402  (2021-11-14 19:19:34)
                             'size'  13050615