======================== unified (from filesystem) ========================
                                         'bitrate'  '224.458'
                                        'duration'  '329'
                                          'artist'  'James Holden'
                                     'text_people'  ''
                                         'release'  'The Inheritors'
                                           'title'  'Inter-City 125'
                                           'quals'  ("['Q-MIXBEAT-3', 'Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'Q-OLDST-3', 'q-syn-4', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'q-play-3', 'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', "
 "'q-vocals-1']")
                                      'lastfmtags'  "['progressive house', 'trance', 'techno', 'electronic', 'minimal']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '15'
                                            'date'  '2013'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-minimal or deephouse'
                                             'bpm'  '84.000'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Inheritors'
'TBPM' (BPM (beats per minute))                     '84.000'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-minimal or deephouse'
'TDRC' (Recording time)                             '2013'
'TIT2' (Title/songname/content description)         'Inter-City 125'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'James Holden'
'TPE2' (Band/orchestra/accompaniment)               'James Holden'
'TRCK' (Track number/Position in set)               '7/15'
'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-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['progressive house', 'trance', 'techno', 'electronic', 'minimal']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.43 dB'
'TXXX:replaygain_track_peak'                        '0.709869'

========================== row from database ==========================
                                              'id'  1290229
                                            'path'  /data/Music/Bulk/00poprockelectronic/00techno-house-harder-beats/James Holden - The Inheritors (2013)/07 - Inter-City 125.mp3
                                         'working'  None
                                         'bitrate'  224
                                    'duration_sec'  329
                                           'genre'  electronic-th-techno-minimal or deephouse
                                        'filesize'  9249996
                                           'mtime'  1621085147
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00techno house harder beats (2013) 07 electronic th techno minimal deephouse
                                      'tag_artist'  James Holden
                                     'tag_release'  The Inheritors
                                       'tag_title'  Inter-City 125
                                             'bpm'  84.0
                                    'search_title'  '125':4 'city':2 'inter':1 'intercity':3
                                   'search_artist'  'holden':2 'james':1
                                  'search_release'  'inheritors':2 'the':1
                                     'search_rest'  '00poprockelectronic':1 '00techno':2 '2013':6,7 'beats':5 'deephouse':12 'electronic':8 'harder':4 'house':3 'minimal':11 'techno':10 'th':9
                                    'search_combo'  '00poprockelectronic':9 '00techno':10 '125':4A '2013':14,15 'beats':13 'city':2A 'deephouse':20 'electronic':16 'harder':12 'holden':6B 'house':11 'inheritors':8C 'inter':1A 'intercity':3A 'james':5B 'minimal':19 'techno':18 'th':17 'the':7C
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-4', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['progressive house', 'trance', 'techno', 'electronic', 'minimal']
                                        'tag_date'  2013
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621085146.7693412  (2021-05-15 15:25:46)
                             'size'  9249996