======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '255'
                                          'artist'  'Trash80'
                                     'text_people'  'Timothy Lamb - trash80 - trash80.net'
                                         'release'  'Icarus'
                                           'title'  'Icarus'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-4', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['8 bit', 'bitpop', 'gameboy', '8bit', 'chiptune', 'electronic']"
                                     'discogstags'  "['electronic', 'chiptune']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '5'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'electronic-we-beeps or chip or pico'
                                             'bpm'  '129.068'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:{\x1d\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x1d\x00\x00')
'PRIV:PeakValue:¡\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xa1\x7f\x00\x00')
'TALB' (Album/Movie/Show title)                     'Icarus'
'TBPM' (BPM (beats per minute))                     '129.068'
'TCOM' (Composer)                                   'Timothy Lamb - trash80 - trash80.net'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-beeps or chip or pico'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Icarus'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Trash80'
'TPE2' (Band/orchestra/accompaniment)               'Trash80'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '1/5'
'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'                                  ['electronic', 'chiptune']
'TXXX:lastfmtags'                                   ['8 bit', 'bitpop', 'gameboy', '8bit', 'chiptune', 'electronic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.65 dB'
'TXXX:replaygain_track_peak'                        '0.592314'

========================== row from database ==========================
                                              'id'  1355885
                                            'path'  /data/Music/Bulk/00poprockelectronic/8BP/Trash80/8bp086-01-trash80-icarus.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  255
                                           'genre'  electronic-we-beeps or chip or pico
                                        'filesize'  6143936
                                           'mtime'  1621627343
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 8BP 8bp086 01 trash80 icarus electronic we beeps or chip or pico
                                      'tag_artist'  Trash80
                                     'tag_release'  Icarus
                                       'tag_title'  Icarus
                                             'bpm'  129.068
                                    'search_title'  'icarus':1
                                   'search_artist'  'trash80':1
                                  'search_release'  'icarus':1
                                     'search_rest'  '00poprockelectronic':1 '8bp':2 '8bp086':3 'beeps':8 'chip':10 'electronic':6 'icarus':5 'or':9 'pico':11 'trash80':4 'we':7
                                    'search_combo'  '00poprockelectronic':4 '8bp':5 '8bp086':6 'beeps':11 'chip':13 'electronic':9 'icarus':1A,3C,8 'or':12 'pico':14 'trash80':2B,7 'we':10
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  3A
                                           '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-3', 'q-drums-4', 'q-syn-4', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['8 bit', 'bitpop', 'gameboy', '8bit', 'chiptune', 'electronic']
                                        'tag_date'  2008
                                     'discogstags'  ['electronic', 'chiptune']

============================== file details ==============================
                                           'mtime'  1621627342.7126904  (2021-05-21 22:02:22)
                             'size'  6143936