======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '313'
                                          'artist'  'Calvin Russell'
                                     'text_people'  ''
                                         'release'  '2 Meter Sessies, Volume 2'
                                           'title'  'A Crack in Time'
                                           'quals'  ("['Q-OLDST-3', 'Q-UNU-1', 'Q-HAP-2', 'Q-JZFKS-2', 'Q-LOCALNESS-2', 'q-syn-2', "
 "'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-1', "
 "'q-other-3', 'q-piano-1', 'q-vocals-4', 'Q-HHRNBTT-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['blues', 'singer-songwriter', 'blues rock', 'folk', 'calvin russell']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '18'
                                            'date'  '1993'
                                        'comments'  ''
                                           'genre'  'prerock-jb-blues'
                                             'bpm'  '122.957'
                                             'key'  '6A'
                                        'acoustid'  '01735c32-3164-474f-a2ed-116cba872bf4'
rest: ''

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

'TALB' (Album/Movie/Show title)                     '2 Meter Sessies, Volume 2'
'TBPM' (BPM (beats per minute))                     '122.957'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-blues'
'TDOR' (Original release time)                      '1993'
'TDRC' (Recording time)                             '1993-05-14'
'TIT2' (Title/songname/content description)         'A Crack in Time'
'TKEY' (Initial key)                                '6A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Calvin Russell'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Radio Records'
'TRCK' (Track number/Position in set)               '6/18'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Russell, Calvin'
'TXXX:Acoustid Id'                                  '01735c32-3164-474f-a2ed-116cba872bf4'
'TXXX:BARCODE'                                      '042284583428'
'TXXX:CATALOGNUMBER'                                '845 834-2'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         'e478a5a3-1693-4be2-81b0-7e50340f27a6'
'TXXX:MusicBrainz Album Release Country'            'NL'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'live'
'TXXX:MusicBrainz Artist Id'                        'e45527d2-d3c5-4d5d-97be-0a521508915b'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['blues', 'singer-songwriter', 'blues rock', 'folk', 'calvin russell']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.07 dB'
'TXXX:replaygain_track_peak'                        '0.593444'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'4740d991-cc72-47a2-b481-e43667733420')

========================== row from database ==========================
                                              'id'  1295396
                                            'path'  /data/Music/Bulk/00poprockelectronic/Twee_Meter_Sessies/Volume 2/Twee Meter Sessies Volume 2 - Calvin Russell - A Crack In Time.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  313
                                           'genre'  prerock-jb-blues
                                        'filesize'  5018901
                                           'mtime'  1620403800
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Twee_Meter_Sessies Twee In prerock jb blues
                                      'tag_artist'  Calvin Russell
                                     'tag_release'  2 Meter Sessies, Volume 2
                                       'tag_title'  A Crack in Time
                                             'bpm'  122.957
                                    'search_title'  'a':1 'crack':2 'in':3 'time':4
                                   'search_artist'  'calvin':1 'russell':2
                                  'search_release'  '2':1 'meter':2 'sessies':3,4 'volume':5
                                     'search_rest'  '00poprockelectronic':1 'blues':9 'in':6 'jb':8 'meter':3 'prerock':7 'sessies':4 'twee':2,5
                                    'search_combo'  '00poprockelectronic':12 '2':7C 'a':1A 'blues':20 'calvin':5B 'crack':2A 'in':3A,17 'jb':19 'meter':8C,14 'prerock':18 'russell':6B 'sessies':9C,10C,15 'time':4A 'twee':13,16 'volume':11C
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['blues', 'singer-songwriter', 'blues rock', 'folk', 'calvin russell']
                                        'tag_date'  1993
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620403799.8146434  (2021-05-07 18:09:59)
                             'size'  5018901