======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '427'
                                          'artist'  'Battles'
                                     'text_people'  ''
                                         'release'  'Mirrored'
                                           'title'  'Atlas'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['math rock', 'instrumental', 'indie', 'post rock', 'experimental']"
                                     'discogstags'  "['electronic', 'rock', 'math rock', 'experimental', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '135.094'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Mirrored'
'TBPM' (BPM (beats per minute))                     '135.094'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         'Atlas'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Battles'
'TRCK' (Track number/Position in set)               '2'
'TSSE' (Software/Hardware and settings used for encoding)  'Audio Converter, L.A.M.E.; 192 kbps; auto kHz; org; cpy; CRC off'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'rock', 'math rock', 'experimental', 'indie rock']
'TXXX:first_played_timestamp'                       '128185749201718750'
'TXXX:last_played_timestamp'                        '128186519751718750'
'TXXX:lastfmtags'                                   ['math rock', 'instrumental', 'indie', 'post rock', 'experimental']
'TXXX:play_count'                                   '2'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.09 dB'
'TXXX:replaygain_track_peak'                        '0.401015'

========================== row from database ==========================
                                              'id'  1343182
                                            'path'  /data/Music/Bulk/00poprockelectronic/Battles/Mirrored/02 - battles - atlas .mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  427
                                           'genre'  electronic-unsorted
                                        'filesize'  10256256
                                           'mtime'  1676040168
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 02 battles atlas electronic unsorted
                                      'tag_artist'  Battles
                                     'tag_release'  Mirrored
                                       'tag_title'  Atlas
                                             'bpm'  135.094
                                    'search_title'  'atlas':1
                                   'search_artist'  'battles':1
                                  'search_release'  'mirrored':1
                                     'search_rest'  '00poprockelectronic':1 'atlas':3 'battles':2 'electronic':4 'unsorted':5
                                    'search_combo'  '00poprockelectronic':4 'atlas':1A,6 'battles':2B,5 'electronic':7 'mirrored':3C 'unsorted':8
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-2']
                                      'lastfmtags'  ['math rock', 'instrumental', 'indie', 'post rock', 'experimental']
                                        'tag_date'  2007
                                     'discogstags'  ['electronic', 'rock', 'math rock', 'experimental', 'indie rock']

============================== file details ==============================
                                           'mtime'  1676040168.3989408  (2023-02-10 15:42:48)
                             'size'  10256256