======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '119'
                                          'artist'  'Karl Hammel Jr. & Group'
                                     'text_people'  ''
                                         'release'  'Explosive Doowops - Vol. 01 (Bb 55021)'
                                           'title'  "Sittin' Alphabetic'ly"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1960'
                                        'comments'  ''
                                           'genre'  'rock-pop-early-doowop'
                                             'bpm'  '116.8'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Explosive Doowops - Vol. 01 (Bb 55021)'
'TBPM' (BPM (beats per minute))                     '116.8'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-early-doowop'
'TDRC' (Recording time)                             '1960'
'TIT2' (Title/songname/content description)         "Sittin' Alphabetic'ly"
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Karl Hammel Jr. & Group'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.49 dB'
'TXXX:replaygain_track_peak'                        '0.338015'

========================== row from database ==========================
                                              'id'  1522284
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/va - Explosive Doowops - Vol. 01 (Bb 55021)/02 - Karl Hammel Jr. & Group - Sittin_ Alphabetic_ly.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  119
                                           'genre'  rock-pop-early-doowop
                                        'filesize'  1919133
                                           'mtime'  1620736357
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm va Sittin_ Alphabetic_ly rock pop early doowop
                                      'tag_artist'  Karl Hammel Jr. & Group
                                     'tag_release'  Explosive Doowops - Vol. 01 (Bb 55021)
                                       'tag_title'  Sittin' Alphabetic'ly
                                             'bpm'  116.8
                                    'search_title'  'alphabetic':3 'alphabeticly':5 'ly':4 'sittin':1,2
                                   'search_artist'  'group':5 'hammel':2 'jr':3,4 'karl':1
                                  'search_release'  '55021':7,8 'bb':5,6 'doowops':2 'explosive':1 'vol':3,4
                                     'search_rest'  'alphabetic':3 'doowop':8 'early':7 'ly':4 'pop':6 'rock':5 'sittin':2 'va':1
                                    'search_combo'  '55021':17C,18C 'alphabetic':3A,21 'alphabeticly':5A 'bb':15C,16C 'doowop':26 'doowops':12C 'early':25 'explosive':11C 'group':10B 'hammel':7B 'jr':8B,9B 'karl':6B 'ly':4A,22 'pop':24 'rock':23 'sittin':1A,2A,20 'va':19 'vol':13C,14C
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1960
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736357.327288  (2021-05-11 14:32:37)
                             'size'  1919133