======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '139'
                                          'artist'  'Pete Namlook & Klaus Schulze'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Iv-7 - Three Pipers At The Gates Of Dawn (With Bill Laswell 1996)'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-2', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  ("['dark ambient', '77davez all tracks', 'electronic', 'progressive "
 "electronic', 'ambient']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'electronic-drone'
                                             'bpm'  '112.3'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '112.3'
'TCON' (Content type, a.k.a. Genre)                 'electronic-drone'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Iv-7 - Three Pipers At The Gates Of Dawn (With Bill Laswell 1996)'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Pete Namlook & Klaus Schulze'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['dark ambient',
 '77davez all tracks',
 'electronic',
 'progressive electronic',
 'ambient']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-4.10 dB'
'TXXX:replaygain_track_peak'                        '0.524444'

========================== row from database ==========================
                                              'id'  1426471
                                            'path'  /data/Music/Bulk/00poprockelectronic/00drone/Pete Namlook & Klaus Schulze - Iv-7 - Three Pipers At The Gates Of Dawn (With Bill Laswell 1996).mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  139
                                           'genre'  electronic-drone
                                        'filesize'  2786956
                                           'mtime'  1636913097
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00drone electronic drone
                                      'tag_artist'  Pete Namlook & Klaus Schulze
                                     'tag_release'  None
                                       'tag_title'  Iv-7 - Three Pipers At The Gates Of Dawn (With Bill Laswell 1996)
                                             'bpm'  112.3
                                    'search_title'  '1996':15,16 '7':2 'at':6 'bill':13 'dawn':10 'gates':8 'iv':1 'iv7':3 'laswell':14 'of':9 'pipers':5 'the':7 'three':4 'with':11,12
                                   'search_artist'  'klaus':3 'namlook':2 'pete':1 'schulze':4
                                  'search_release'  
                                     'search_rest'  '00drone':2 '00poprockelectronic':1 'drone':4 'electronic':3
                                    'search_combo'  '00drone':22 '00poprockelectronic':21 '1996':15A,16A '7':2A 'at':6A 'bill':13A 'dawn':10A 'drone':24 'electronic':23 'gates':8A 'iv':1A 'iv7':3A 'klaus':19B 'laswell':14A 'namlook':18B 'of':9A 'pete':17B 'pipers':5A 'schulze':20B 'the':7A 'three':4A 'with':11A,12A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['dark ambient', '77davez all tracks', 'electronic', 'progressive electronic', 'ambient']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636913096.5055163  (2021-11-14 19:04:56)
                             'size'  2786956