======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '140'
                                          'artist'  'Gene Terry'
                                     'text_people'  ''
                                         'release'  "Desperate Rock'N'Roll Vol. 14"
                                           'title'  'Tip Tap And Tell Me'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-syn-2', 'q-bass-1', "
 "'q-busy-2', 'q-grit-2', 'q-play-3', 'q-chart-2', 'q-drums-3', 'q-other-3', "
 "'q-piano-1', 'q-vocals-4', 'Q-HHRNBTT-1', 'q-mixbeat-2', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['rockabilly', 'oldies', 'rhythm and blues', 'rock and roll', 'swamp pop']"
                                     'discogstags'  "['doo wop', 'rockabilly', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'rock-pop-early-rocknroll'
                                             'bpm'  '95.8'
                                             'key'  '10A'
                                        '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))                     '95.8'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-early-rocknroll'
'TIT2' (Title/songname/content description)         'Tip Tap And Tell Me'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Gene Terry'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '12'
'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:discogstags'                                  ['doo wop', 'rockabilly', 'rock']
'TXXX:lastfmtags'                                   ['rockabilly', 'oldies', 'rhythm and blues', 'rock and roll', 'swamp pop']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.55 dB'
'TXXX:replaygain_track_peak'                        '0.600966'

========================== row from database ==========================
                                              'id'  1533894
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/va - Desperate Rock_N_Roll Vol. 14/B4 -  Gene Terry - Tip Tap And Tell Me.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  140
                                           'genre'  rock-pop-early-rocknroll
                                        'filesize'  2402793
                                           'mtime'  1622659490
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm va Rock_N_Roll B4 rock pop early rocknroll
                                      'tag_artist'  Gene Terry
                                     'tag_release'  Desperate Rock'N'Roll Vol. 14
                                       'tag_title'  Tip Tap And Tell Me
                                             'bpm'  95.8
                                    'search_title'  'and':3 'me':5 'tap':2 'tell':4 'tip':1
                                   'search_artist'  'gene':1 'terry':2
                                  'search_release'  'desperate':1 'n':3 'rock':2 'rocknroll':5 'roll':4 'vol':6,7
                                     'search_rest'  'b4':5 'early':8 'n':3 'pop':7 'rock':2,6 'rocknroll':9 'roll':4 'va':1
                                    'search_combo'  'and':3A 'b4':19 'desperate':8C 'early':22 'gene':6B 'me':5A 'n':10C,17 'pop':21 'rock':9C,16,20 'rocknroll':12C,23 'roll':11C,18 'tap':2A 'tell':4A 'terry':7B 'tip':1A 'va':15 'vol':13C,14C
                                    'tag_tracknum'  12
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['rockabilly', 'oldies', 'rhythm and blues', 'rock and roll', 'swamp pop']
                                        'tag_date'  
                                     'discogstags'  ['doo wop', 'rockabilly', 'rock']

============================== file details ==============================
                                           'mtime'  1622659490.4955113  (2021-06-02 20:44:50)
                             'size'  2402793