======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '154'
                                          'artist'  'Rod Bernard'
                                     'text_people'  ''
                                         'release'  "Desperate Rock'N'Roll Vol. 14"
                                           'title'  'All Night In Jail'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['rock and roll', 'swamp pop', 'cajun', 'swamp rock', 'rockabilly']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '04'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'rock-pop-early-rocknroll'
                                             'bpm'  '122.4'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     "Desperate Rock'N'Roll Vol. 14"
'TBPM' (BPM (beats per minute))                     '122.4'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-early-rocknroll'
'TIT2' (Title/songname/content description)         'All Night In Jail'
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               'Rod Bernard'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '04'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rock and roll', 'swamp pop', 'cajun', 'swamp rock', 'rockabilly']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.95 dB'
'TXXX:replaygain_track_peak'                        '0.535240'

========================== row from database ==========================
                                              'id'  1530849
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/va - Desperate Rock_N_Roll Vol. 14/A4 - Rod Bernard - All Night In Jail.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  154
                                           'genre'  rock-pop-early-rocknroll
                                        'filesize'  2628495
                                           'mtime'  1622659490
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm va Rock_N_Roll A4 rock pop early rocknroll
                                      'tag_artist'  Rod Bernard
                                     'tag_release'  Desperate Rock'N'Roll Vol. 14
                                       'tag_title'  All Night In Jail
                                             'bpm'  122.4
                                    'search_title'  'all':1 'in':3 'jail':4 'night':2
                                   'search_artist'  'bernard':2 'rod':1
                                  'search_release'  'desperate':1 'n':3 'rock':2 'rocknroll':5 'roll':4 'vol':6,7
                                     'search_rest'  'a4':5 'early':8 'n':3 'pop':7 'rock':2,6 'rocknroll':9 'roll':4 'va':1
                                    'search_combo'  'a4':18 'all':1A 'bernard':6B 'desperate':7C 'early':21 'in':3A 'jail':4A 'n':9C,16 'night':2A 'pop':20 'rock':8C,15,19 'rocknroll':11C,22 'rod':5B 'roll':10C,17 'va':14 'vol':12C,13C
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['rock and roll', 'swamp pop', 'cajun', 'swamp rock', 'rockabilly']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622659490.0167985  (2021-06-02 20:44:50)
                             'size'  2628495