======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '147'
                                          'artist'  'Baby Little & The Hardbreakers'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Neck Bones Every Day 2'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-2', "
 "'Q-HHRNBTT-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'set-th-novelty'
                                             'bpm'  '122.733'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:V\x19\x00\x00'                   PRIV(owner='AverageLevel', data=b'V\x19\x00\x00')
'PRIV:PeakValue:Ú}\x00\x00'                         PRIV(owner='PeakValue', data=b'\xda}\x00\x00')
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'TBPM' (BPM (beats per minute))                     '122.733'
'TCON' (Content type, a.k.a. Genre)                 'set-th-novelty'
'TDRC' (Recording time)                             '1980'
'TIT2' (Title/songname/content description)         'Neck Bones Every Day 2'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Baby Little & The Hardbreakers'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'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'                                      '4'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.91 dB'
'TXXX:replaygain_track_peak'                        '0.347631'

========================== row from database ==========================
                                              'id'  762690
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Zimelis [Chow, Baby!]/Baby Little & The Hardbreakers - Neck Bones Every Day 2.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  147
                                           'genre'  set-th-novelty
                                        'filesize'  2365056
                                           'mtime'  1676038806
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Zimelis [Chow, Baby!] set th novelty
                                      'tag_artist'  Baby Little & The Hardbreakers
                                     'tag_release'  None
                                       'tag_title'  Neck Bones Every Day 2
                                             'bpm'  122.733
                                    'search_title'  '2':5 'bones':2 'day':4 'every':3 'neck':1
                                   'search_artist'  'baby':1 'hardbreakers':4 'little':2 'the':3
                                  'search_release'  
                                     'search_rest'  'baby':8,9 'chow':6,7 'country':4 'exotica':2 'jazz':1 'novelty':12 'oldies':3 'set':10 'th':11 'zimelis':5
                                    'search_combo'  '2':5A 'baby':6B,17,18 'bones':2A 'chow':15,16 'country':13 'day':4A 'every':3A 'exotica':11 'hardbreakers':9B 'jazz':10 'little':7B 'neck':1A 'novelty':21 'oldies':12 'set':19 'th':20 'the':8B 'zimelis':14
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HAP-3', 'Q-OLDST-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-1']
                                      'lastfmtags'  []
                                        'tag_date'  1980
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1676038805.95895  (2023-02-10 15:20:05)
                             'size'  2365056