======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '171'
                                          'artist'  'Gentlemen Jack Grisham'
                                     'text_people'  ''
                                         'release'  'Punk-O-Rama 4 (Straight Outta The Pit) '
                                           'title'  'Someone To Love'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-3', "
 "'q-play-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'q-chart-2', 'q-drums-3', 'q-other-3', "
 "'q-piano-1', 'q-vocals-2', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['punk rock', 'rock', 'punk', 'all', 'legend']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '29'
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk'
                                             'bpm'  '123.4'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
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'TALB' (Album/Movie/Show title)                     'Punk-O-Rama 4 (Straight Outta The Pit) '
'TBPM' (BPM (beats per minute))                     '123.4'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'Someone To Love'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Gentlemen Jack Grisham'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Epitaph'
'TRCK' (Track number/Position in set)               '29'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['punk rock', 'rock', 'punk', 'all', 'legend']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.48 dB'
'TXXX:replaygain_track_peak'                        '0.432267'

========================== row from database ==========================
                                              'id'  1476703
                                            'path'  /data/Music/Bulk/00popandrock-punk-garage-surf-stoner/Pennywise - Epitaph/Punk-o-Rama Vol. 4/29 - Gentlemen Jack Grisham - Someone To Love.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  171
                                           'genre'  rock-gr-punk
                                        'filesize'  3257934
                                           'mtime'  1622659079
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock punk garage surf stoner Pennywise Epitaph Vol. 29 rock gr punk
                                      'tag_artist'  Gentlemen Jack Grisham
                                     'tag_release'  Punk-O-Rama 4 (Straight Outta The Pit) 
                                       'tag_title'  Someone To Love
                                             'bpm'  123.4
                                    'search_title'  'love':3 'someone':1 'to':2
                                   'search_artist'  'gentlemen':1 'grisham':3 'jack':2
                                  'search_release'  '4':5 'o':2 'outta':8 'pit':10,11 'punk':1 'punkorama':4 'rama':3 'straight':6,7 'the':9
                                     'search_rest'  '29':9 'epitaph':6 'garage':2 'gr':11 'pennywise':5 'punk':1 'rock':10 'stoner':4 'surf':3 'vol':7,8
                                    'search_combo'  '29':26 '4':11C 'epitaph':23 'garage':19 'gentlemen':4B 'gr':28 'grisham':6B 'jack':5B 'love':3A 'o':8C 'outta':14C 'pennywise':22 'pit':16C,17C 'punk':7C,18 'punkorama':10C 'rama':9C 'rock':27 'someone':1A 'stoner':21 'straight':12C,13C 'surf':20 'the':15C 'to':2A 'vol':24,25
                                    'tag_tracknum'  29
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['punk rock', 'rock', 'punk', 'all', 'legend']
                                        'tag_date'  1999
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622659079.1664252  (2021-06-02 20:37:59)
                             'size'  3257934