======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '179'
                                          'artist'  'Aavikko'
                                     'text_people'  '\uf0ef'
                                         'release'  'Multi Muysic'
                                           'title'  'Omavastuualue'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['instrumental', 'lo fi', 'electronic', 'finnish', 'synth']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '05'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '144.6'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:½*\x00\x00'                      PRIV(owner='AverageLevel', data=b'\xbd*\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'TALB' (Album/Movie/Show title)                     'Multi Muysic'
'TBPM' (BPM (beats per minute))                     '144.6'
'TCOM' (Composer)                                   '\uf0ef'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Omavastuualue'
'TKEY' (Initial key)                                '7A'
'TMED' (Media type)                                 'DIG'
'TOPE' (Original artist(s)/performer(s))            '\uf0ef'
'TPE1' (Lead performer(s)/Soloist(s))               'Aavikko'
'TRCK' (Track number/Position in set)               '05'
'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'
'TXXX:lastfmtags'                                   ['instrumental', 'lo fi', 'electronic', 'finnish', 'synth']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.52 dB'
'TXXX:replaygain_track_peak'                        '0.335461'

========================== row from database ==========================
                                              'id'  796084
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Aavikko/Multi Muysic/05 omavastuualue.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  179
                                           'genre'  electronic-experimental
                                        'filesize'  2873020
                                           'mtime'  1621692839
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 05 omavastuualue electronic experimental
                                      'tag_artist'  Aavikko
                                     'tag_release'  Multi Muysic
                                       'tag_title'  Omavastuualue
                                             'bpm'  144.6
                                    'search_title'  'omavastuualue':1
                                   'search_artist'  'aavikko':1
                                  'search_release'  'multi':1 'muysic':2
                                     'search_rest'  'electronic':2 'experimental':3 'omavastuualue':1
                                    'search_combo'  'aavikko':2B 'electronic':6 'experimental':7 'multi':3C 'muysic':4C 'omavastuualue':1A,5
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  7A
                                           '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-2', 'q-syn-3', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'lo fi', 'electronic', 'finnish', 'synth']
                                        'tag_date'  2000
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621692838.542681  (2021-05-22 16:13:58)
                             'size'  2873020