======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '289'
                                          'artist'  'Starship'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'We Built This City (single version)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'soft rock', 'classic rock', 'pop', 'rock']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'rock-pop-soft'
                                             'bpm'  '144.130'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'APIC:rekordbox'                                    type PictureType.COVER_FRONT (Cover (front)) b'rekordbox'
                                     
'TBPM' (BPM (beats per minute))                     '144.130'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-soft'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'We Built This City (single version)'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Starship'
'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'                                   ['80s', 'soft rock', 'classic rock', 'pop', 'rock']
'TXXX:other'                                        'A'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.07 dB'
'TXXX:replaygain_track_peak'                        '0.434964'

========================== row from database ==========================
                                              'id'  1334488
                                            'path'  /data/Music/Bulk/00poprockelectronic/1985 complete/279-A Starship - We Built This City (single version).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  289
                                           'genre'  rock-pop-soft
                                        'filesize'  11688818
                                           'mtime'  1620736417
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 1985 complete 279 A rock pop soft
                                      'tag_artist'  Starship
                                     'tag_release'  None
                                       'tag_title'  We Built This City (single version)
                                             'bpm'  144.13
                                    'search_title'  'built':2 'city':4 'single':5,6 'this':3 'version':7,8 'we':1
                                   'search_artist'  'starship':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '1985':2 '279':4 'a':5 'complete':3 'pop':7 'rock':6 'soft':8
                                    'search_combo'  '00poprockelectronic':10 '1985':11 '279':13 'a':14 'built':2A 'city':4A 'complete':12 'pop':16 'rock':15 'single':5A,6A 'soft':17 'starship':9B 'this':3A 'version':7A,8A 'we':1A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-3', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'soft rock', 'classic rock', 'pop', 'rock']
                                        'tag_date'  1985
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620736417.4848669  (2021-05-11 14:33:37)
                             'size'  11688818