======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '211'
                                          'artist'  'Scooter'
                                     'text_people'  ''
                                         'release'  'Our happy hardcore (limited ed'
                                           'title'  "I'm Raving"
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-UNU-1', 'q-syn-3', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['dance', 'trance', 'techno', 'electronic', 'happy hardcore']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '17'
                                      'tracktotal'  ''
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '139.083'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Our happy hardcore (limited ed'
'TBPM' (BPM (beats per minute))                     '139.083'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         "I'm Raving"
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               'Scooter'
'TRCK' (Track number/Position in set)               '17'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['dance', 'trance', 'techno', 'electronic', 'happy hardcore']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.66 dB'
'TXXX:replaygain_track_peak'                        '0.479084'

========================== row from database ==========================
                                              'id'  1496267
                                            'path'  /data/Music/Bulk/00poprockelectronic/Scooter/Scooter - Our Happy Hardcore (Limited Ed.)/Scooter - Our Happy Hardcore (Limited Ed.) - 17. I_m Raving.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  211
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  3389434
                                           'mtime'  1621696559
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Happy Hardcore (Limited Ed.) Happy Hardcore (Limited Ed.) 17. I_m electronic generic radio dance
                                      'tag_artist'  Scooter
                                     'tag_release'  Our happy hardcore (limited ed
                                       'tag_title'  I'm Raving
                                             'bpm'  139.083
                                    'search_title'  'i':1 'im':3 'm':2 'raving':4
                                   'search_artist'  'scooter':1
                                  'search_release'  'ed':6 'happy':2 'hardcore':3 'limited':4,5 'our':1
                                     'search_rest'  '00poprockelectronic':1 '17':8,9 'dance':15 'ed':6,7 'electronic':12 'generic':13 'happy':2 'hardcore':3 'i':10 'limited':4,5 'm':11 'radio':14
                                    'search_combo'  '00poprockelectronic':12 '17':19,20 'dance':26 'ed':11C,17,18 'electronic':23 'generic':24 'happy':7C,13 'hardcore':8C,14 'i':1A,21 'im':3A 'limited':9C,10C,15,16 'm':2A,22 'our':6C 'radio':25 'raving':4A 'scooter':5B
                                    'tag_tracknum'  17
                                      'num_images'  0
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'trance', 'techno', 'electronic', 'happy hardcore']
                                        'tag_date'  1996
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621696558.6494615  (2021-05-22 17:15:58)
                             'size'  3389434