======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '164'
                                          'artist'  'Big City Orchestra'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Guerrilla'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-1', "
 "'q-chart-1', 'q-drums-4', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['industrial', 'noise', 'avant garde', 'experimental', 'old school "
 "industrial']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '09'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'nonmusic-fragments-sounds and sfx'
                                             'bpm'  '122.1'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '122.1'
'TCON' (Content type, a.k.a. Genre)                 'nonmusic-fragments-sounds and sfx'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'Guerrilla'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Big City Orchestra'
'TRCK' (Track number/Position in set)               '09'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['industrial', 'noise', 'avant garde', 'experimental', 'old school industrial']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '1'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.50 dB'
'TXXX:replaygain_track_peak'                        '0.712427'

========================== row from database ==========================
                                              'id'  919343
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Big City Orchestra/2006 - Bigggcittttorchhhhestttreeeeeeb - Signals & Code (Umbrella Noize Collective) [192k]/09 - Guerrilla.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  164
                                           'genre'  nonmusic-fragments-sounds and sfx
                                        'filesize'  3946180
                                           'mtime'  1621787096
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 2006 Bigggcittttorchhhhestttreeeeeeb Signals & Code (Umbrella Noize Collective) [192k] 09 nonmusic fragments sounds and sfx
                                      'tag_artist'  Big City Orchestra
                                     'tag_release'  None
                                       'tag_title'  Guerrilla
                                             'bpm'  122.1
                                    'search_title'  'guerrilla':1
                                   'search_artist'  'big':1 'city':2 'orchestra':3
                                  'search_release'  
                                     'search_rest'  '192k':10,11 '2006':1 'and':15 'bigggcittttorchhhhestttreeeeeeb':2 'code':4 'collective':8,9 'fragments':13 'noize':7 'nonmusic':12 'sfx':16 'signals':3 'sounds':14 'umbrella':5,6
                                    'search_combo'  '192k':14,15 '2006':5 'and':19 'big':2B 'bigggcittttorchhhhestttreeeeeeb':6 'city':3B 'code':8 'collective':12,13 'fragments':17 'guerrilla':1A 'noize':11 'nonmusic':16 'orchestra':4B 'sfx':20 'signals':7 'sounds':18 'umbrella':9,10
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-1', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['industrial', 'noise', 'avant garde', 'experimental', 'old school industrial']
                                        'tag_date'  2006
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621787096.4796238  (2021-05-23 18:24:56)
                             'size'  3946180