======================== unified (from filesystem) ========================
                                         'bitrate'  '215.791'
                                        'duration'  '262'
                                          'artist'  'Modest Mouse'
                                     'text_people'  ''
                                         'release'  'This Is A Long Drive For Som..'
                                           'title'  'Head South'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'alternative rock', 'alternative', 'indie rock', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '95.845'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:\x07\x18\x00\x00'                PRIV(owner='AverageLevel', data=b'\x07\x18\x00\x00')
'PRIV:PeakValue:î{\x00\x00'                         PRIV(owner='PeakValue', data=b'\xee{\x00\x00')
'TALB' (Album/Movie/Show title)                     'This Is A Long Drive For Som..'
'TBPM' (BPM (beats per minute))                     '95.845'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         'Head South'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Modest Mouse'
'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:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['indie', 'alternative rock', 'alternative', 'indie rock', 'rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.23 dB'
'TXXX:replaygain_track_peak'                        '0.342320'

========================== row from database ==========================
                                              'id'  1305019
                                            'path'  /data/Music/Bulk/00poprockelectronic/Modest Mouse/This Is A Long Drive For Someone With Nothing To Think About/08-modest_mouse-head_south-eos.mp3
                                         'working'  None
                                         'bitrate'  215
                                    'duration_sec'  262
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  7074262
                                           'mtime'  1621697464
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Someone With Nothing To Think About 08 modest_mouse head_south eos ifs songwriter indie rock
                                      'tag_artist'  Modest Mouse
                                     'tag_release'  This Is A Long Drive For Som..
                                       'tag_title'  Head South
                                             'bpm'  95.845
                                    'search_title'  'head':1 'south':2
                                   'search_artist'  'modest':1 'mouse':2
                                  'search_release'  'a':3 'drive':5 'for':6 'is':2 'long':4 'som':7,8 'this':1
                                     'search_rest'  '00poprockelectronic':1 'about':7 'eos':12 'head':10 'ifs':13 'indie':15 'modest':8 'mouse':9 'nothing':4 'rock':16 'someone':2 'songwriter':14 'south':11 'think':6 'to':5 'with':3
                                    'search_combo'  '00poprockelectronic':13 'a':7C 'about':19 'drive':9C 'eos':24 'for':10C 'head':1A,22 'ifs':25 'indie':27 'is':6C 'long':8C 'modest':3B,20 'mouse':4B,21 'nothing':16 'rock':28 'som':11C,12C 'someone':14 'songwriter':26 'south':2A,23 'think':18 'this':5C 'to':17 'with':15
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative rock', 'alternative', 'indie rock', 'rock']
                                        'tag_date'  1997
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1621697463.6856492  (2021-05-22 17:31:03)
                             'size'  7074262