======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '180'
                                          'artist'  'DJ Shadow'
                                     'text_people'  ''
                                         'release'  'The Private Press (Advance)'
                                           'title'  'Track 14'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'electronic', 'trip hop', 'hip hop', 'turntablism']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '111.578'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Private Press (Advance)'
'TBPM' (BPM (beats per minute))                     '111.578'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Track 14'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'DJ Shadow'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['electronica', 'electronic', 'trip hop', 'hip hop', 'turntablism']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.15 dB'
'TXXX:replaygain_track_peak'                        '0.439520'

========================== row from database ==========================
                                              'id'  1513291
                                            'path'  /data/Music/Bulk/00poprockelectronic/DJ Shadow/Private Press/dj shadow - private press - 14 - mashin_ on the motorway.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  180
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  4327822
                                           'mtime'  1636911219
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic dj shadow private press mashin_ on the motorway electronic trip hop or downtempo or acid jazz
                                      'tag_artist'  DJ Shadow
                                     'tag_release'  The Private Press (Advance)
                                       'tag_title'  Track 14
                                             'bpm'  111.578
                                    'search_title'  'track':1
                                   'search_artist'  'dj':1 'shadow':2
                                  'search_release'  'advance':4,5 'press':3 'private':2 'the':1
                                     'search_rest'  '00poprockelectronic':1 'acid':15 'dj':2 'downtempo':14 'electronic':10 'hop':12 'jazz':16 'mashin':6 'motorway':9 'on':7 'or':13 'press':5 'private':4 'shadow':3 'the':8 'trip':11
                                    'search_combo'  '00poprockelectronic':9 'acid':23 'advance':7C,8C 'dj':2B,10 'downtempo':22 'electronic':18 'hop':20 'jazz':24 'mashin':14 'motorway':17 'on':15 'or':21 'press':6C,13 'private':5C,12 'shadow':3B,11 'the':4C,16 'track':1A 'trip':19
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-2', '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-3', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'electronic', 'trip hop', 'hip hop', 'turntablism']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636911219.0169332  (2021-11-14 18:33:39)
                             'size'  4327822